Common use of Expense Limitation Clause in Contracts

Expense Limitation. The Manager agrees to cap the fees and expenses of each Fund (other than extraordinary litigation and legal expenses, Acquired Fund fees and expenses, interest expense, short sale dividend and loan expense, or other non-recurring or unusual expenses such as organizational expenses and shareholder meeting expenses) through January 31, 2020 at the following amounts. This agreement can only be terminated by mutual consent of the Board of Trustees of the Trust on behalf of the Funds and the Manager. MassMutual Select Strategic Bond Fund Expense Cap Class I shares 0.48 % Class R5 shares 0.58 % Service Class shares 0.68 % Administrative Class shares 0.78 % Class A shares 1.03 % Class R4 shares 0.93 % Class R3 shares 1.18 % MassMutual Select BlackRock Global Allocation Fund Expense Cap Class I shares 0.79 % Class R5 shares 0.89 % Service Class shares 0.99 % Administrative Class shares 1.09 % Class A shares 1.34 % Class R4 shares 1.24 % Class R3 shares 1.49 % MassMutual Select Mid-Cap Value Fund Expense Cap Class I shares 0.80 % Class R5 shares 0.90 % Service Class shares 1.00 % Administrative Class shares 1.10 % Class A shares 1.35 % Class R4 shares 1.25 % Class R3 shares 1.50 % MX Xxxxxxx 2000 Small Cap Index Fund Expense Cap Class I shares 0.20 % Class R5 shares 0.30 % Service Class shares 0.45 % Administrative Class shares 0.55 % Class A shares 0.80 % Class R4 shares 0.70 % Class R3 shares 0.95 % MM MSCI EAFE International Index Fund Expense Cap Class I shares 0.25 % Class R5 shares 0.35 % Service Class shares 0.50 % Administrative Class shares 0.60 % Class A shares 0.85 % Class R4 shares 0.75 % Class R3 shares 1.00 %

Expense Limitation. The Manager agrees to cap the fees and expenses of each Fund the Funds (other than extraordinary litigation and legal expenses, Acquired Fund fees and expenses, interest expense, short sale dividend and loan expense, or other non-recurring or unusual expenses such as organizational expenses and shareholder meeting expenses) through January 31, 2020 2018 at the following amounts. This agreement can only be terminated by mutual consent of the Board of Trustees of the Trust on behalf of the Funds and the Manager. MassMutual Select Strategic Premier Diversified Bond Fund Expense Cap Class I shares 0.48 0.52 % Class R5 shares 0.58 0.62 % Service Class shares 0.68 0.72 % Administrative Class shares 0.78 0.82 % Class A shares 1.03 1.07 % Class R4 shares 0.93 0.97 % Class R3 shares 1.18 1.22 % MassMutual Select BlackRock Global Allocation Premier High Yield Fund Expense Cap Class I shares 0.79 0.55 % Class R5 shares 0.89 0.65 % Service Class shares 0.99 0.75 % Administrative Class shares 1.09 Shares 0.85 % Class A shares 1.34 Shares 1.10 % Class R4 shares 1.24 Shares 1.00 % Class R3 shares 1.49 Shares 1.25 % MassMutual Select Mid-Premier Balanced Fund Expense Cap Class I shares 0.60 % Class R5 shares 0.70 % Service Class shares 0.80 % Administrative Class Shares 0.90 % Class A Shares 1.15 % Class R4 Shares 1.05 % Class R3 Shares 1.30 % MassMutual Premier Value Fund Expense Cap Class I shares 0.80 0.60 % Class R5 shares 0.90 0.70 % Service Class shares 1.00 0.80 % Administrative Class shares 1.10 Shares 0.90 % Class A shares 1.35 Shares 1.15 % Class R4 shares 1.25 Shares 1.05 % Class R3 shares 1.50 Shares 1.30 % MX Xxxxxxx 2000 Small Cap Index MassMutual Premier Strategic Emerging Markets Fund Expense Cap Class I shares 0.20 1.05 % Class R5 shares 0.30 1.15 % Service Class shares 0.45 1.25 % Administrative Class shares 0.55 Shares 1.35 % Class A shares 0.80 Shares 1.60 % Class R4 shares 0.70 Shares 1.50 % Class R3 shares 0.95 % MM MSCI EAFE International Index Fund Expense Cap Class I shares 0.25 % Class R5 shares 0.35 % Service Class shares 0.50 % Administrative Class shares 0.60 % Class A shares 0.85 % Class R4 shares 0.75 % Class R3 shares 1.00 Shares 1.75 %

Expense Limitation. The Manager agrees to cap the fees and expenses of each Fund (other than extraordinary litigation and legal expenses, Acquired Fund fees and expenses, interest expense, short sale dividend and loan expense, Acquired Fund fees and expenses, or other non-recurring or unusual expenses such as as, for example, organizational expenses and shareholder meeting expenses) through January March 31, 2020 2015 at the following amounts. This agreement can only be terminated by mutual consent of the Board of Trustees of the Trust on behalf of the Funds and the Manager. MassMutual Select Strategic Bond Fund Expense Cap Class I shares 0.48 % Class R5 shares 0.58 % Service Class shares 0.68 % Administrative Class shares 0.78 % Class A shares 1.03 % Class R4 shares 0.93 % Class R3 shares 1.18 % MassMutual Select BlackRock Global Allocation Fund Expense Cap Class I shares 0.79 % Class R5 shares 0.89 % Service Class shares 0.99 % Administrative Class shares 1.09 % Class A shares 1.34 % Class R4 shares 1.24 % Class R3 shares 1.49 % MassMutual Select Large Cap Value Fund Expense Cap Class I shares 0.63 % Class R5 shares 0.73 % Service Class shares 0.83 % Administrative Class shares 0.93 % Class A shares 1.18 % Class R4 shares 1.08 % Class R3 shares 1.33 % MassMutual Select Fundamental Growth Fund Expense Cap Class I shares 0.70 % Class R5 shares 0.80 % Service Class shares 0.90 % Administrative Class shares 1.00 % Class A shares 1.25 % Class R4 shares 1.15 % Class R3 shares 1.40 % MassMutual Select Mid-Cap Value Fund Expense Cap Class I shares 0.80 % Class R5 shares 0.90 % Service Class shares 1.00 % Administrative Class shares 1.10 % Class A shares 1.35 % Class R4 shares 1.25 % Class R3 shares 1.50 % MX MassMutual Select Small Cap Value Equity Fund Expense Cap Class I shares 0.80 % Class R5 shares 0.90 % Service Class shares 1.00 % Administrative Class shares 1.10 % Class A shares 1.35 % Class R4 shares 1.25 % Class R3 shares 1.50 % MM S&P Mid Cap Index Fund Expense Cap Class I shares 0.20 % Class R5 shares 0.30 % Service Class shares 0.45 % Administrative Class shares 0.55 % Class A shares 0.80 % Class R4 shares 0.70 % Class R3 shares 0.95 % XX Xxxxxxx 2000 Small Cap Index Fund Expense Cap Class I shares 0.20 % Class R5 shares 0.30 % Service Class shares 0.45 % Administrative Class shares 0.55 % Class A shares 0.80 % Class R4 shares 0.70 % Class R3 shares 0.95 % MassMutual Select Small Company Growth Fund Expense Cap Class I shares 0.90 % Class R5 shares 1.00 % Service Class shares 1.10 % Administrative Class shares 1.20 % Class A shares 1.45 % Class R4 shares 1.35 % Class R3 shares 1.60 % MassMutual Select Diversified International Fund Expense Cap Class I shares 0.90 % Class R5 shares 1.00 % Service Class shares 1.10 % Administrative Class shares 1.20 % Class A shares 1.45 % Class R4 shares 1.35 % Class R3 shares 1.60 % MM MSCI EAFE International Index Fund Expense Cap Class I shares 0.25 % Class R5 shares 0.35 % Service Class shares 0.50 % Administrative Class shares 0.60 % Class A shares 0.85 % Class R4 shares 0.75 % Class R3 shares 1.00 % MassMutual RetireSMART Conservative Fund Expense Cap Class I shares 0.02 % Class R5 shares 0.12 % Service Class shares 0.22 % Administrative Class shares 0.32 % Class A shares 0.57 % Class R4 shares 0.47 % Class R3 shares 0.72 % MassMutual RetireSMART Moderate Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART Moderate Growth Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART Growth Fund Expense Cap Class I shares 0.07 % Class R5 shares 0.17 % Service Class shares 0.27 % Administrative Class shares 0.37 % Class A shares 0.62 % Class R4 shares 0.52 % Class R3 shares 0.77 % MassMutual RetireSMART In Retirement Fund Expense Cap Class I shares 0.06 % Class R5 shares 0.16 % Service Class shares 0.26 % Administrative Class shares 0.36 % Class A shares 0.61 % Class R4 shares 0.51 % Class R3 shares 0.76 % MassMutual RetireSMART 2010 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2015 Fund Expense Cap Class I shares 0.06 % Class R5 shares 0.16 % Service Class shares 0.26 % Administrative Class shares 0.36 % Class A shares 0.61 % Class R4 shares 0.51 % Class R3 shares 0.76 % MassMutual RetireSMART 2020 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2025 Fund Expense Cap Class I shares 0.01 % Class R5 shares 0.11 % Service Class shares 0.21 % Administrative Class shares 0.31 % Class A shares 0.56 % Class R4 shares 0.46 % Class R3 shares 0.71 % MassMutual RetireSMART 2030 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2035 Fund Expense Cap Class I shares 0.05 % Class R5 shares 0.15 % Service Class shares 0.25 % Administrative Class shares 0.35 % Class A shares 0.60 % Class R4 shares 0.50 % Class R3 shares 0.75 % MassMutual RetireSMART 2040 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2045 Fund Expense Cap Class I shares 0.02 % Class R5 shares 0.12 % Service Class shares 0.22 % Administrative Class shares 0.32 % Class A shares 0.57 % Class R4 shares 0.47 % Class R3 shares 0.72 % MassMutual RetireSMART 2050 Fund Expense Cap Class I shares 0.02 % Class R5 shares 0.12 % Service Class shares 0.22 % Administrative Class shares 0.32 % Class A shares 0.57 % Class R4 shares 0.47 % Class R3 shares 0.72 % MassMutual RetireSMART 2055 Fund Expense Cap Class I shares 0.00 % Class R5 shares 0.10 % Service Class shares 0.20 % Administrative Class shares 0.30 % Class A shares 0.55 % Class R4 shares 0.45 % Class R3 shares 0.70 %

Expense Limitation. The Manager agrees to cap the fees and expenses of each Fund (other than extraordinary litigation and legal expenses, Acquired Fund fees and expenses, interest expense, short sale dividend and loan expense, or other non-recurring or unusual expenses such as organizational expenses and shareholder meeting expenses) through January 31, 2020 2019 at the following amounts. This agreement can only be terminated by mutual consent of the Board of Trustees of the Trust on behalf of the Funds and the Manager. MassMutual Select Strategic Bond Fund Expense Cap Class I shares 0.48 0.48% Class R5 shares 0.58 0.58% Service Class shares 0.68 0.68% Administrative Class shares 0.78 0.78% Class A shares 1.03 1.03% Class R4 shares 0.93 0.93% Class R3 shares 1.18 1.18% MassMutual Select BlackRock Global Allocation Fund Expense Cap Class I shares 0.79 0.79% Class R5 shares 0.89 0.89% Service Class shares 0.99 0.99% Administrative Class shares 1.09 1.09% Class A shares 1.34 1.34% Class R4 shares 1.24 1.24% Class R3 shares 1.49 1.49% MassMutual Select Fundamental Growth Fund Expense Cap Class I shares 0.70% Class R5 shares 0.80% Service Class shares 0.90% Administrative Class shares 1.00% Class A shares 1.25% Class R4 shares 1.15% Class R3 shares 1.40% MassMutual Select Mid-Cap Value Fund Expense Cap Class I shares 0.80 0.80% Class R5 shares 0.90 0.90% Service Class shares 1.00 1.00% Administrative Class shares 1.10 1.10% Class A shares 1.35 1.35% Class R4 shares 1.25 1.25% Class R3 shares 1.50 1.50% MX MassMutual Select Small Cap Value Equity Fund Expense Cap Class I shares 0.80% Class R5 shares 0.90% Service Class shares 1.00% Administrative Class shares 1.10% Class A shares 1.35% Class R4 shares 1.25% Class R3 shares 1.50% MM S&P Mid Cap Index Fund Expense Cap Class I shares 0.20% Class R5 shares 0.30% Service Class shares 0.45% Administrative Class shares 0.55% Class A shares 0.80% Class R4 shares 0.70% Class R3 shares 0.95% XX Xxxxxxx 2000 Small Cap Index Fund Expense Cap Class I shares 0.20 0.20% Class R5 shares 0.30 0.30% Service Class shares 0.45 0.45% Administrative Class shares 0.55 0.55% Class A shares 0.80 0.80% Class R4 shares 0.70 0.70% Class R3 shares 0.95 0.95% MM MSCI EAFE International Index Fund Expense Cap Class I shares 0.25 0.25% Class R5 shares 0.35 0.35% Service Class shares 0.50 0.50% Administrative Class shares 0.60 0.60% Class A shares 0.85 0.85% Class R4 shares 0.75 0.75% Class R3 shares 1.00 1.00% MM Select Bond and Income Asset Fund Expense Cap Class I shares 0.26% MM Select Equity Asset Fund Expense Cap Class I shares 0.25%

Expense Limitation. The Manager agrees to cap the fees and expenses of each Fund the Funds (other than extraordinary litigation and legal expenses, Acquired Fund fees and expenses, interest expense, short sale dividend and loan expense, or other non-recurring or unusual expenses such as as, for example, organizational expenses and shareholder meeting expenses) through January 31, 2020 2016 at the following amounts. This agreement can only be terminated by mutual consent of the Board of Trustees of the Trust on behalf of the Funds and the Manager. MassMutual Select Strategic Premier Diversified Bond Fund Expense Cap Class I shares 0.48 0.52 % Class R5 shares 0.58 0.62 % Service Class shares 0.68 0.72 % Administrative Class shares 0.78 0.82 % Class A shares 1.03 1.07 % Class R4 shares 0.93 0.97 % Class R3 shares 1.18 1.22 % MassMutual Select BlackRock Global Premier High Yield Fund Expense Cap Class I shares 0.55 % Class R5 shares 0.65 % Service Class shares 0.75 % Administrative Class Shares 0.85 % Class A Shares 1.10 % Class R4 Shares 1.00 % Class R3 Shares 1.25 % MassMutual Premier Balanced Fund Expense Cap Class I shares 0.60 % Class R5 shares 0.70 % Service Class shares 0.80 % Administrative Class Shares 0.90 % Class A Shares 1.15 % Class R4 Shares 1.05 % Class R3 Shares 1.30 % MassMutual Barings Dynamic Allocation Fund Expense Cap Class I shares 0.79 1.20 % Class R5 shares 0.89 1.30 % Service Class shares 0.99 1.40 % Administrative Class shares 1.09 Shares 1.50 % Class A shares 1.34 Shares 1.75 % Class R4 shares 1.24 Shares 1.65 % Class R3 shares 1.49 Shares 1.90 % MassMutual Select Mid-Cap Premier Value Fund Expense Cap Class I shares 0.80 0.60 % Class R5 shares 0.90 0.70 % Service Class shares 1.00 0.80 % Administrative Class shares 1.10 Shares 0.90 % Class A shares 1.35 Shares 1.15 % Class R4 shares 1.25 Shares 1.05 % Class R3 Shares 1.30 % MassMutual Premier Capital Appreciation Fund Expense Cap Class R5 shares 1.50 0.75 % MX Xxxxxxx 2000 Small Cap Index Service Class shares 0.85 % Administrative Class Shares 0.95 % Class A Shares 1.20 % Class R3 Shares 1.35 % MassMutual Premier Focused International Fund Expense Cap Class I shares 0.20 0.95 % Class R5 shares 0.30 1.05 % Service Class shares 0.45 1.15 % Administrative Class shares 0.55 Shares 1.25 % Class A shares 0.80 Shares 1.50 % Class R4 shares 0.70 Shares 1.40 % Class R3 shares 0.95 Shares 1.65 % MM MSCI EAFE International Index MassMutual Premier Strategic Emerging Markets Fund Expense Cap Class I shares 0.25 1.05 % Class R5 shares 0.35 1.15 % Service Class shares 0.50 1.25 % Administrative Class shares 0.60 Shares 1.35 % Class A shares 0.85 Shares 1.60 % Class R4 shares 0.75 Shares 1.50 % Class R3 shares 1.00 Shares 1.75 %

Expense Limitation. The Manager agrees to cap the fees and expenses of each Fund the Funds (other than extraordinary litigation and legal expenses, Acquired Fund fees Fees and expensesExpenses, interest expense, short sale dividend and loan expense, or other non-recurring or unusual expenses such as organizational expenses and shareholder meeting expenses) through January 31, 2020 2019 at the following amounts. This agreement can only be terminated by mutual consent of the Board of Trustees of the Trust on behalf of the Funds and the Manager. MassMutual Select Strategic Premier Diversified Bond Fund Expense Cap Class I shares 0.48 0.52 % Class R5 shares 0.58 0.62 % Service Class shares 0.68 0.72 % Administrative Class shares 0.78 0.82 % Class A shares 1.03 1.07 % Class R4 shares 0.93 0.97 % Class R3 shares 1.18 1.22 % MassMutual Select BlackRock Global Allocation Premier High Yield Fund Expense Cap Class I shares 0.79 0.55 % Class R5 shares 0.89 0.65 % Service Class shares 0.99 0.75 % Administrative Class shares 1.09 Shares 0.85 % Class A shares 1.34 Shares 1.10 % Class R4 shares 1.24 Shares 1.00 % Class R3 shares 1.49 Shares 1.25 % MassMutual Select Mid-Premier Balanced Fund Expense Cap Class I shares 0.60 % Class R5 shares 0.70 % Service Class shares 0.80 % Administrative Class Shares 0.90 % Class A Shares 1.15 % Class R4 Shares 1.05 % Class R3 Shares 1.30 % MassMutual Premier Value Fund Expense Cap Class I shares 0.80 0.60 % Class R5 shares 0.90 0.70 % Service Class shares 1.00 0.80 % Administrative Class shares 1.10 Shares 0.90 % Class A shares 1.35 Shares 1.15 % Class R4 shares 1.25 Shares 1.05 % Class R3 shares 1.50 Shares 1.30 % MX Xxxxxxx 2000 Small Cap Index MassMutual Premier Strategic Emerging Markets Fund Expense Cap Class I shares 0.20 1.05 % Class R5 shares 0.30 1.15 % Service Class shares 0.45 1.25 % Administrative Class shares 0.55 Shares 1.35 % Class A shares 0.80 Shares 1.60 % Class R4 shares 0.70 Shares 1.50 % Class R3 shares 0.95 % MM MSCI EAFE International Index Fund Expense Cap Class I shares 0.25 % Class R5 shares 0.35 % Service Class shares 0.50 % Administrative Class shares 0.60 % Class A shares 0.85 % Class R4 shares 0.75 % Class R3 shares 1.00 Shares 1.75 %

Expense Limitation. The Manager agrees to cap the fees and expenses of each Fund (other than extraordinary litigation and legal expenses, Acquired Fund fees and expenses, interest expense, short sale dividend and loan expense, or other non-recurring or unusual expenses such as organizational expenses and shareholder meeting expenses) through January 31, 2020 2018 at the following amounts. This agreement can only be terminated by mutual consent of the Board of Trustees of the Trust on behalf of the Funds and the Manager. MassMutual Select Strategic Bond Fund Expense Cap Class I shares 0.48 0.48% Class R5 shares 0.58 0.58% Service Class shares 0.68 0.68% Administrative Class shares 0.78 0.78% Class A shares 1.03 1.03% Class R4 shares 0.93 0.93% Class R3 shares 1.18 1.18% MassMutual Select BlackRock Global Allocation Fund Expense Cap Class I shares 0.79 0.79% Class R5 shares 0.89 0.89% Service Class shares 0.99 0.99% Administrative Class shares 1.09 1.09% Class A shares 1.34 1.34% Class R4 shares 1.24 1.24% Class R3 shares 1.49 1.49% MassMutual Select Large Cap Value Fund Expense Cap Class I shares 0.63% Class R5 shares 0.73% Service Class shares 0.83% Administrative Class shares 0.93% Class A shares 1.18% Class R4 shares 1.08% Class R3 shares 1.33% MassMutual Select Fundamental Growth Fund Expense Cap Class I shares 0.70% Class R5 shares 0.80% Service Class shares 0.90% Administrative Class shares 1.00% Class A shares 1.25% Class R4 shares 1.15% Class R3 shares 1.40% MassMutual Select Mid-Cap Value Fund Expense Cap Class I shares 0.80 0.80% Class R5 shares 0.90 0.90% Service Class shares 1.00 1.00% Administrative Class shares 1.10 1.10% Class A shares 1.35 1.35% Class R4 shares 1.25 1.25% Class R3 shares 1.50 1.50% MX MassMutual Select Small Cap Value Equity Fund Expense Cap Class I shares 0.80% Class R5 shares 0.90% Service Class shares 1.00% Administrative Class shares 1.10% Class A shares 1.35% Class R4 shares 1.25% Class R3 shares 1.50% MM S&P Mid Cap Index Fund Expense Cap Class I shares 0.20% Class R5 shares 0.30% Service Class shares 0.45% Administrative Class shares 0.55% Class A shares 0.80% Class R4 shares 0.70% Class R3 shares 0.95% XX Xxxxxxx 2000 Small Cap Index Fund Expense Cap Class I shares 0.20 0.20% Class R5 shares 0.30 0.30% Service Class shares 0.45 0.45% Administrative Class shares 0.55 0.55% Class A shares 0.80 0.80% Class R4 shares 0.70 0.70% Class R3 shares 0.95 0.95% MassMutual Select Diversified International Fund Expense Cap Class I shares 0.90% Class R5 shares 1.00% Service Class shares 1.10% Administrative Class shares 1.20% Class A shares 1.45% Class R4 shares 1.35% Class R3 shares 1.60% MM MSCI EAFE International Index Fund Expense Cap Class I shares 0.25 0.25% Class R5 shares 0.35 0.35% Service Class shares 0.50 0.50% Administrative Class shares 0.60 0.60% Class A shares 0.85 0.85% Class R4 shares 0.75 0.75% Class R3 shares 1.00 1.00%

Expense Limitation. The Manager agrees to cap the fees and expenses of each Fund (other than extraordinary litigation and legal expenses, Acquired Fund fees and expenses, interest expense, short sale dividend and loan expense, Acquired Fund fees and expenses, or other non-recurring or unusual expenses such as as, for example, organizational expenses and shareholder meeting expenses) through January March 31, 2020 2016 at the following amounts. This agreement can only be terminated by mutual consent of the Board of Trustees of the Trust on behalf of the Funds and the Manager. MassMutual Select Strategic Bond Fund Expense Cap Class I shares 0.48 % Class R5 shares 0.58 % Service Class shares 0.68 % Administrative Class shares 0.78 % Class A shares 1.03 % Class R4 shares 0.93 % Class R3 shares 1.18 % MassMutual Select BlackRock Global Allocation Fund Expense Cap Class I shares 0.79 % Class R5 shares 0.89 % Service Class shares 0.99 % Administrative Class shares 1.09 % Class A shares 1.34 % Class R4 shares 1.24 % Class R3 shares 1.49 % MassMutual Select Large Cap Value Fund Expense Cap Class I shares 0.63 % Class R5 shares 0.73 % Service Class shares 0.83 % Administrative Class shares 0.93 % Class A shares 1.18 % Class R4 shares 1.08 % Class R3 shares 1.33 % MassMutual Select Fundamental Growth Fund Expense Cap Class I shares 0.70 % Class R5 shares 0.80 % Service Class shares 0.90 % Administrative Class shares 1.00 % Class A shares 1.25 % Class R4 shares 1.15 % Class R3 shares 1.40 % MassMutual Select Mid-Cap Value Fund Expense Cap Class I shares 0.80 % Class R5 shares 0.90 % Service Class shares 1.00 % Administrative Class shares 1.10 % Class A shares 1.35 % Class R4 shares 1.25 % Class R3 shares 1.50 % MX MassMutual Select Small Cap Value Equity Fund Expense Cap Class I shares 0.80 % Class R5 shares 0.90 % Service Class shares 1.00 % Administrative Class shares 1.10 % Class A shares 1.35 % Class R4 shares 1.25 % Class R3 shares 1.50 % MM S&P Mid Cap Index Fund Expense Cap Class I shares 0.20 % Class R5 shares 0.30 % Service Class shares 0.45 % Administrative Class shares 0.55 % Class A shares 0.80 % Class R4 shares 0.70 % Class R3 shares 0.95 % XX Xxxxxxx 2000 Small Cap Index Fund Expense Cap Class I shares 0.20 % Class R5 shares 0.30 % Service Class shares 0.45 % Administrative Class shares 0.55 % Class A shares 0.80 % Class R4 shares 0.70 % Class R3 shares 0.95 % MassMutual Select Small Company Growth Fund Expense Cap Class I shares 0.90 % Class R5 shares 1.00 % Service Class shares 1.10 % Administrative Class shares 1.20 % Class A shares 1.45 % Class R4 shares 1.35 % Class R3 shares 1.60 % MassMutual Select Diversified International Fund Expense Cap Class I shares 0.90 % Class R5 shares 1.00 % Service Class shares 1.10 % Administrative Class shares 1.20 % Class A shares 1.45 % Class R4 shares 1.35 % Class R3 shares 1.60 % MM MSCI EAFE International Index Fund Expense Cap Class I shares 0.25 % Class R5 shares 0.35 % Service Class shares 0.50 % Administrative Class shares 0.60 % Class A shares 0.85 % Class R4 shares 0.75 % Class R3 shares 1.00 % MassMutual RetireSMART Conservative Fund Expense Cap Class I shares 0.02 % Class R5 shares 0.12 % Service Class shares 0.22 % Administrative Class shares 0.32 % Class A shares 0.57 % Class R4 shares 0.47 % Class R3 shares 0.72 % MassMutual RetireSMART Moderate Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART Moderate Growth Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART Growth Fund Expense Cap Class I shares 0.07 % Class R5 shares 0.17 % Service Class shares 0.27 % Administrative Class shares 0.37 % Class A shares 0.62 % Class R4 shares 0.52 % Class R3 shares 0.77 % MassMutual RetireSMART In Retirement Fund Expense Cap Class I shares 0.06 % Class R5 shares 0.16 % Service Class shares 0.26 % Administrative Class shares 0.36 % Class A shares 0.61 % Class R4 shares 0.51 % Class R3 shares 0.76 % MassMutual RetireSMART 2010 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2015 Fund Expense Cap Class I shares 0.06 % Class R5 shares 0.16 % Service Class shares 0.26 % Administrative Class shares 0.36 % Class A shares 0.61 % Class R4 shares 0.51 % Class R3 shares 0.76 % MassMutual RetireSMART 2020 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2025 Fund Expense Cap Class I shares 0.01 % Class R5 shares 0.11 % Service Class shares 0.21 % Administrative Class shares 0.31 % Class A shares 0.56 % Class R4 shares 0.46 % Class R3 shares 0.71 % MassMutual RetireSMART 2030 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2035 Fund Expense Cap Class I shares 0.05 % Class R5 shares 0.15 % Service Class shares 0.25 % Administrative Class shares 0.35 % Class A shares 0.60 % Class R4 shares 0.50 % Class R3 shares 0.75 % MassMutual RetireSMART 2040 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2045 Fund Expense Cap Class I shares 0.02 % Class R5 shares 0.12 % Service Class shares 0.22 % Administrative Class shares 0.32 % Class A shares 0.57 % Class R4 shares 0.47 % Class R3 shares 0.72 % MassMutual RetireSMART 2050 Fund Expense Cap Class I shares 0.02 % Class R5 shares 0.12 % Service Class shares 0.22 % Administrative Class shares 0.32 % Class A shares 0.57 % Class R4 shares 0.47 % Class R3 shares 0.72 % MassMutual RetireSMART 2055 Fund Expense Cap Class I shares 0.00 % Class R5 shares 0.10 % Service Class shares 0.20 % Administrative Class shares 0.30 % Class A shares 0.55 % Class R4 shares 0.45 % Class R3 shares 0.70 %

Expense Limitation. The Manager agrees to cap the fees and expenses of each Fund (other than extraordinary litigation and legal expenses, Acquired Fund fees and expenses, interest expense, short sale dividend and loan expense, Acquired Fund fees and expenses, or other non-recurring or unusual expenses such as as, for example, organizational expenses and shareholder meeting expenses) through January 31, 2020 2017 at the following amounts. This agreement can only be terminated by mutual consent of the Board of Trustees of the Trust on behalf of the Funds and the Manager. MassMutual Select Strategic Bond Fund Expense Cap Class I shares 0.48 % Class R5 shares 0.58 % Service Class shares 0.68 % Administrative Class shares 0.78 % Class A shares 1.03 % Class R4 shares 0.93 % Class R3 shares 1.18 % MassMutual Select BlackRock Global Allocation Fund Expense Cap Class I shares 0.79 % Class R5 shares 0.89 % Service Class shares 0.99 % Administrative Class shares 1.09 % Class A shares 1.34 % Class R4 shares 1.24 % Class R3 shares 1.49 % MassMutual Select Large Cap Value Fund Expense Cap Class I shares 0.63 % Class R5 shares 0.73 % Service Class shares 0.83 % Administrative Class shares 0.93 % Class A shares 1.18 % Class R4 shares 1.08 % Class R3 shares 1.33 % MassMutual Select Fundamental Growth Fund Expense Cap Class I shares 0.70 % Class R5 shares 0.80 % Service Class shares 0.90 % Administrative Class shares 1.00 % Class A shares 1.25 % Class R4 shares 1.15 % Class R3 shares 1.40 % MassMutual Select Mid-Cap Value Fund Expense Cap Class I shares 0.80 % Class R5 shares 0.90 % Service Class shares 1.00 % Administrative Class shares 1.10 % Class A shares 1.35 % Class R4 shares 1.25 % Class R3 shares 1.50 % MX MassMutual Select Small Cap Value Equity Fund Expense Cap Class I shares 0.80 % Class R5 shares 0.90 % Service Class shares 1.00 % Administrative Class shares 1.10 % Class A shares 1.35 % Class R4 shares 1.25 % Class R3 shares 1.50 % MM S&P Mid Cap Index Fund Expense Cap Class I shares 0.20 % Class R5 shares 0.30 % Service Class shares 0.45 % Administrative Class shares 0.55 % Class A shares 0.80 % Class R4 shares 0.70 % Class R3 shares 0.95 % XX Xxxxxxx 2000 Small Cap Index Fund Expense Cap Class I shares 0.20 % Class R5 shares 0.30 % Service Class shares 0.45 % Administrative Class shares 0.55 % Class A shares 0.80 % Class R4 shares 0.70 % Class R3 shares 0.95 % MassMutual Select Diversified International Fund Expense Cap Class I shares 0.90 % Class R5 shares 1.00 % Service Class shares 1.10 % Administrative Class shares 1.20 % Class A shares 1.45 % Class R4 shares 1.35 % Class R3 shares 1.60 % MM MSCI EAFE International Index Fund Expense Cap Class I shares 0.25 % Class R5 shares 0.35 % Service Class shares 0.50 % Administrative Class shares 0.60 % Class A shares 0.85 % Class R4 shares 0.75 % Class R3 shares 1.00 %% MassMutual RetireSMART Conservative Fund Expense Cap Class I shares 0.02 % Class R5 shares 0.12 % Service Class shares 0.22 % Administrative Class shares 0.32 % Class A shares 0.57 % Class R4 shares 0.47 % Class R3 shares 0.72 % MassMutual RetireSMART Moderate Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART Moderate Growth Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART Growth Fund Expense Cap Class I shares 0.07 % Class R5 shares 0.17 % Service Class shares 0.27 % Administrative Class shares 0.37 % Class A shares 0.62 % Class R4 shares 0.52 % Class R3 shares 0.77 % MassMutual RetireSMART In Retirement Fund Expense Cap Class I shares 0.06 % Class R5 shares 0.16 % Service Class shares 0.26 % Administrative Class shares 0.36 % Class A shares 0.61 % Class R4 shares 0.51 % Class R3 shares 0.76 % MassMutual RetireSMART 2010 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2015 Fund Expense Cap Class I shares 0.06 % Class R5 shares 0.16 % Service Class shares 0.26 % Administrative Class shares 0.36 % Class A shares 0.61 % Class R4 shares 0.51 % Class R3 shares 0.76 % MassMutual RetireSMART 2020 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2025 Fund Expense Cap Class I shares 0.01 % Class R5 shares 0.11 % Service Class shares 0.21 % Administrative Class shares 0.31 % Class A shares 0.56 % Class R4 shares 0.46 % Class R3 shares 0.71 % MassMutual RetireSMART 2030 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2035 Fund Expense Cap Class I shares 0.05 % Class R5 shares 0.15 % Service Class shares 0.25 % Administrative Class shares 0.35 % Class A shares 0.60 % Class R4 shares 0.50 % Class R3 shares 0.75 % MassMutual RetireSMART 2040 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2045 Fund Expense Cap Class I shares 0.02 % Class R5 shares 0.12 % Service Class shares 0.22 % Administrative Class shares 0.32 % Class A shares 0.57 % Class R4 shares 0.47 % Class R3 shares 0.72 % MassMutual RetireSMART 2050 Fund Expense Cap Class I shares 0.02 % Class R5 shares 0.12 % Service Class shares 0.22 % Administrative Class shares 0.32 % Class A shares 0.57 % Class R4 shares 0.47 % Class R3 shares 0.72 % MassMutual RetireSMART 2055 Fund Expense Cap Class I shares 0.00 % Class R5 shares 0.10 % Service Class shares 0.20 % Administrative Class shares 0.30 % Class A shares 0.55 % Class R4 shares 0.45 % Class R3 shares 0.70 % MassMutual Select Total Return Bond Fund The Manager agrees to waive 0.05% of the management fees of the Fund through January 31, 2017. This agreement can only be terminated by mutual consent of the Board of Trustees of the Trust on behalf of the Fund and the Manager.

Expense Limitation. The Manager agrees to cap the fees and expenses of each Fund (other than extraordinary litigation and legal expenses, Acquired Fund fees and expenses, interest expense, short sale dividend and loan expense, or other non-recurring or unusual expenses such as organizational expenses and shareholder meeting expenses) ), including Acquired Fund Fees and Expenses (calculated for this purpose at least monthly based on the Fund’s year-to-date average net assets of each Underlying Fund over the preceding period and the net expense ratio of each Underlying Fund stated in its then-current prospectus or most recent filing), through January 31, 2020 2018 at the following amounts. This agreement can only be terminated by mutual consent of the Board of Trustees of the Trust on behalf of the Funds and the Manager. MassMutual Select Strategic Bond RetireSMART Conservative Fund Expense Cap Class I shares 0.48 0.47% Class R5 shares 0.58 0.57% Service Class shares 0.68 0.67% Administrative Class shares 0.78 0.77% Class A shares 1.03 1.02% Class R4 shares 0.93 0.92% Class R3 shares 1.18 1.17% MassMutual Select BlackRock Global Allocation RetireSMART Moderate Fund Expense Cap Class I shares 0.79 0.54% Class R5 shares 0.89 0.64% Service Class shares 0.99 0.74% Administrative Class shares 1.09 0.84% Class A shares 1.34 1.09% Class R4 shares 1.24 0.99% Class R3 shares 1.49 1.24% MassMutual Select Mid-Cap Value RetireSMART Moderate Growth Fund Expense Cap Class I shares 0.80 0.59% Class R5 shares 0.90 0.69% Service Class shares 1.00 0.79% Administrative Class shares 1.10 0.89% Class A shares 1.35 1.14% Class R4 shares 1.25 1.04% Class R3 shares 1.50 1.29% MX Xxxxxxx 2000 Small Cap Index MassMutual RetireSMART Growth Fund Expense Cap Class I shares 0.20 0.64% Class R5 shares 0.30 0.74% Service Class shares 0.45 0.84% Administrative Class shares 0.55 0.94% Class A shares 0.80 1.19% Class R4 shares 0.70 1.09% Class R3 shares 0.95 1.34% MM MSCI EAFE International Index MassMutual RetireSMART In Retirement Fund Expense Cap Class I shares 0.25 0.55% Class R5 shares 0.35 0.65% Service Class shares 0.50 0.75% Administrative Class shares 0.60 0.85% Class A shares 0.85 1.10% Class R4 shares 0.75 1.00% Class R3 shares 1.00 1.25% MassMutual RetireSMART 2010 Fund Expense Cap Class I shares 0.53% Class R5 shares 0.63% Service Class shares 0.73% Administrative Class shares 0.83% Class A shares 1.08% Class R4 shares 0.98% Class R3 shares 1.23% MassMutual RetireSMART 2015 Fund Expense Cap Class I shares 0.56% Class R5 shares 0.66% Service Class shares 0.76% Administrative Class shares 0.86% Class A shares 1.11% Class R4 shares 1.01% Class R3 shares 1.26% MassMutual RetireSMART 2020 Fund Expense Cap Class I shares 0.56% Class R5 shares 0.66% Service Class shares 0.76% Administrative Class shares 0.86% Class A shares 1.11% Class R4 shares 1.01% Class R3 shares 1.26% MassMutual RetireSMART 2025 Fund Expense Cap Class I shares 0.55% Class R5 shares 0.65% Service Class shares 0.75% Administrative Class shares 0.85% Class A shares 1.10% Class R4 shares 1.00% Class R3 shares 1.25% MassMutual RetireSMART 2030 Fund Expense Cap Class I shares 0.59% Class R5 shares 0.69% Service Class shares 0.79% Administrative Class shares 0.89% Class A shares 1.14% Class R4 shares 1.04% Class R3 shares 1.29% MassMutual RetireSMART 2035 Fund Expense Cap Class I shares 0.61% Class R5 shares 0.71% Service Class shares 0.81% Administrative Class shares 0.91% Class A shares 1.16% Class R4 shares 1.06% Class R3 shares 1.31% MassMutual RetireSMART 2040 Fund Expense Cap Class I shares 0.60% Class R5 shares 0.70% Service Class shares 0.80% Administrative Class shares 0.90% Class A shares 1.15% Class R4 shares 1.05% Class R3 shares 1.30% MassMutual RetireSMART 2045 Fund Expense Cap Class I shares 0.58% Class R5 shares 0.68% Service Class shares 0.78% Administrative Class shares 0.88% Class A shares 1.13% Class R4 shares 1.03% Class R3 shares 1.28% MassMutual RetireSMART 2050 Fund Expense Cap Class I shares 0.59% Class R5 shares 0.69% Service Class shares 0.79% Administrative Class shares 0.89% Class A shares 1.14% Class R4 shares 1.04% Class R3 shares 1.29% MassMutual RetireSMART 2055 Fund Expense Cap Class I shares 0.57% Class R5 shares 0.67% Service Class shares 0.77% Administrative Class shares 0.87% Class A shares 1.12% Class R4 shares 1.02% Class R3 shares 1.27% MassMutual RetireSMART 2060 Fund Expense Cap Class I shares 0.57% Class R5 shares 0.67% Service Class shares 0.77% Administrative Class shares 0.87% Class A shares 1.12% Class R4 shares 1.02% Class R3 shares 1.27%

Expense Limitation. The Manager agrees to cap the fees and expenses of each Fund (other than extraordinary litigation and legal expenses, Acquired Fund fees and expenses, interest expense, short sale dividend and loan expense, Acquired Fund fees and expenses, or other non-recurring or unusual expenses such as as, for example, organizational expenses and shareholder meeting expenses) through January 31, 2020 2017 at the following amounts. This agreement can only be terminated by mutual consent of the Board of Trustees of the Trust on behalf of the Funds and the Manager. MassMutual Select Strategic Bond Fund Expense Cap Class I shares 0.48 % Class R5 shares 0.58 % Service Class shares 0.68 % Administrative Class shares 0.78 % Class A shares 1.03 % Class R4 shares 0.93 % Class R3 shares 1.18 % MassMutual Select BlackRock Global Allocation Fund Expense Cap Class I shares 0.79 % Class R5 shares 0.89 % Service Class shares 0.99 % Administrative Class shares 1.09 % Class A shares 1.34 % Class R4 shares 1.24 % Class R3 shares 1.49 % MassMutual Select Large Cap Value Fund Expense Cap Class I shares 0.63 % Class R5 shares 0.73 % Service Class shares 0.83 % Administrative Class shares 0.93 % Class A shares 1.18 % Class R4 shares 1.08 % Class R3 shares 1.33 % MassMutual Select Fundamental Growth Fund Expense Cap Class I shares 0.70 % Class R5 shares 0.80 % Service Class shares 0.90 % Administrative Class shares 1.00 % Class A shares 1.25 % Class R4 shares 1.15 % Class R3 shares 1.40 % MassMutual Select Mid-Cap Value Fund Expense Cap Class I shares 0.80 % Class R5 shares 0.90 % Service Class shares 1.00 % Administrative Class shares 1.10 % Class A shares 1.35 % Class R4 shares 1.25 % Class R3 shares 1.50 % MX MassMutual Select Small Cap Value Equity Fund Expense Cap Class I shares 0.80 % Class R5 shares 0.90 % Service Class shares 1.00 % Administrative Class shares 1.10 % Class A shares 1.35 % Class R4 shares 1.25 % Class R3 shares 1.50 % MM S&P Mid Cap Index Fund Expense Cap Class I shares 0.20 % Class R5 shares 0.30 % Service Class shares 0.45 % Administrative Class shares 0.55 % Class A shares 0.80 % Class R4 shares 0.70 % Class R3 shares 0.95 % XX Xxxxxxx 2000 Small Cap Index Fund Expense Cap Class I shares 0.20 % Class R5 shares 0.30 % Service Class shares 0.45 % Administrative Class shares 0.55 % Class A shares 0.80 % Class R4 shares 0.70 % Class R3 shares 0.95 % MassMutual Select Diversified International Fund Expense Cap Class I shares 0.90 % Class R5 shares 1.00 % Service Class shares 1.10 % Administrative Class shares 1.20 % Class A shares 1.45 % Class R4 shares 1.35 % Class R3 shares 1.60 % MM MSCI EAFE International Index Fund Expense Cap Class I shares 0.25 % Class R5 shares 0.35 % Service Class shares 0.50 % Administrative Class shares 0.60 % Class A shares 0.85 % Class R4 shares 0.75 % Class R3 shares 1.00 % MassMutual RetireSMART Conservative Fund Expense Cap Class I shares 0.02 % Class R5 shares 0.12 % Service Class shares 0.22 % Administrative Class shares 0.32 % Class A shares 0.57 % Class R4 shares 0.47 % Class R3 shares 0.72 % MassMutual RetireSMART Moderate Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART Moderate Growth Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART Growth Fund Expense Cap Class I shares 0.07 % Class R5 shares 0.17 % Service Class shares 0.27 % Administrative Class shares 0.37 % Class A shares 0.62 % Class R4 shares 0.52 % Class R3 shares 0.77 % MassMutual RetireSMART In Retirement Fund Expense Cap Class I shares 0.06 % Class R5 shares 0.16 % Service Class shares 0.26 % Administrative Class shares 0.36 % Class A shares 0.61 % Class R4 shares 0.51 % Class R3 shares 0.76 % MassMutual RetireSMART 2010 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2015 Fund Expense Cap Class I shares 0.06 % Class R5 shares 0.16 % Service Class shares 0.26 % Administrative Class shares 0.36 % Class A shares 0.61 % Class R4 shares 0.51 % Class R3 shares 0.76 % MassMutual RetireSMART 2020 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2025 Fund Expense Cap Class I shares 0.01 % Class R5 shares 0.11 % Service Class shares 0.21 % Administrative Class shares 0.31 % Class A shares 0.56 % Class R4 shares 0.46 % Class R3 shares 0.71 % MassMutual RetireSMART 2030 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2035 Fund Expense Cap Class I shares 0.05 % Class R5 shares 0.15 % Service Class shares 0.25 % Administrative Class shares 0.35 % Class A shares 0.60 % Class R4 shares 0.50 % Class R3 shares 0.75 % MassMutual RetireSMART 2040 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2045 Fund Expense Cap Class I shares 0.02 % Class R5 shares 0.12 % Service Class shares 0.22 % Administrative Class shares 0.32 % Class A shares 0.57 % Class R4 shares 0.47 % Class R3 shares 0.72 % MassMutual RetireSMART 2050 Fund Expense Cap Class I shares 0.02 % Class R5 shares 0.12 % Service Class shares 0.22 % Administrative Class shares 0.32 % Class A shares 0.57 % Class R4 shares 0.47 % Class R3 shares 0.72 % MassMutual RetireSMART 2055 Fund Expense Cap Class I shares 0.00 % Class R5 shares 0.10 % Service Class shares 0.20 % Administrative Class shares 0.30 % Class A shares 0.55 % Class R4 shares 0.45 % Class R3 shares 0.70 %

Expense Limitation. The Manager agrees to cap the fees and expenses of each Fund the Funds (other than extraordinary litigation and legal expenses, Acquired Fund fees and expenses, interest expense, short sale dividend and loan expense, or other non-recurring or unusual expenses such as organizational expenses and shareholder meeting expenses) through January 31, 2020 2017 at the following amounts. This agreement can only be terminated by mutual consent of the Board of Trustees of the Trust on behalf of the Funds and the Manager. MassMutual Select Strategic Premier Diversified Bond Fund Expense Cap Class I shares 0.48 0.52 % Class R5 shares 0.58 0.62 % Service Class shares 0.68 0.72 % Administrative Class shares 0.78 0.82 % Class A shares 1.03 1.07 % Class R4 shares 0.93 0.97 % Class R3 shares 1.18 1.22 % MassMutual Select BlackRock Global Premier High Yield Fund Expense Cap Class I shares 0.55 % Class R5 shares 0.65 % Service Class shares 0.75 % Administrative Class Shares 0.85 % Class A Shares 1.10 % Class R4 Shares 1.00 % Class R3 Shares 1.25 % MassMutual Premier Balanced Fund Expense Cap Class I shares 0.60 % Class R5 shares 0.70 % Service Class shares 0.80 % Administrative Class Shares 0.90 % Class A Shares 1.15 % Class R4 Shares 1.05 % Class R3 Shares 1.30 % MassMutual Barings Dynamic Allocation Fund Expense Cap Class I shares 0.79 1.02 % Class R5 shares 0.89 1.12 % Service Class shares 0.99 1.22 % Administrative Class shares 1.09 Shares 1.32 % Class A shares 1.34 Shares 1.57 % Class R4 shares 1.24 Shares 1.47 % Class R3 shares 1.49 Shares 1.72 % MassMutual Select Mid-Cap Premier Value Fund Expense Cap Class I shares 0.80 0.60 % Class R5 shares 0.90 0.70 % Service Class shares 1.00 0.80 % Administrative Class shares 1.10 Shares 0.90 % Class A shares 1.35 Shares 1.15 % Class R4 shares 1.25 Shares 1.05 % Class R3 shares 1.50 Shares 1.30 % MX Xxxxxxx 2000 Small Cap Index MassMutual Premier Strategic Emerging Markets Fund Expense Cap Class I shares 0.20 1.05 % Class R5 shares 0.30 1.15 % Service Class shares 0.45 1.25 % Administrative Class shares 0.55 Shares 1.35 % Class A shares 0.80 Shares 1.60 % Class R4 shares 0.70 Shares 1.50 % Class R3 shares 0.95 % MM MSCI EAFE International Index Fund Expense Cap Class I shares 0.25 % Class R5 shares 0.35 % Service Class shares 0.50 % Administrative Class shares 0.60 % Class A shares 0.85 % Class R4 shares 0.75 % Class R3 shares 1.00 Shares 1.75 %

Expense Limitation. The Manager agrees to cap the fees and expenses of each Fund (other than extraordinary litigation and legal expenses, Acquired Fund fees Fees and expensesExpenses, interest expense, short sale dividend and loan expense, or other non-recurring or unusual expenses such as organizational expenses and shareholder meeting expenses, as applicable) through January 31, 2020 2019 at the following amounts. This agreement can only be terminated by mutual consent of the Board of Trustees of the Trust on behalf of the Funds and the Manager. MassMutual Select Strategic Bond Fund Expense Cap Class I shares 0.48 0.48% Class R5 shares 0.58 0.58% Service Class shares 0.68 0.68% Administrative Class shares 0.78 0.78% Class A shares 1.03 1.03% Class R4 shares 0.93 0.93% Class R3 shares 1.18 1.18% MassMutual Select BlackRock Global Allocation Fund Expense Cap Class I shares 0.79 0.79% Class R5 shares 0.89 0.89% Service Class shares 0.99 0.99% Administrative Class shares 1.09 1.09% Class A shares 1.34 1.34% Class R4 shares 1.24 1.24% Class R3 shares 1.49 1.49% MassMutual Select Fundamental Growth Fund Expense Cap Class I shares 0.70% Class R5 shares 0.80% Service Class shares 0.90% Administrative Class shares 1.00% Class A shares 1.25% Class R4 shares 1.15% Class R3 shares 1.40% MassMutual Select Mid-Cap Value Fund Expense Cap Class I shares 0.80 0.80% Class R5 shares 0.90 0.90% Service Class shares 1.00 1.00% Administrative Class shares 1.10 1.10% Class A shares 1.35 1.35% Class R4 shares 1.25 1.25% Class R3 shares 1.50 1.50% MX MassMutual Select Small Cap Value Equity Fund Expense Cap Class I shares 0.80% Class R5 shares 0.90% Service Class shares 1.00% Administrative Class shares 1.10% Class A shares 1.35% Class R4 shares 1.25% Class R3 shares 1.50% MM S&P Mid Cap Index Fund Expense Cap Class I shares 0.20% Class R5 shares 0.30% Service Class shares 0.45% Administrative Class shares 0.55% Class A shares 0.80% Class R4 shares 0.70% Class R3 shares 0.95% XX Xxxxxxx 2000 Small Cap Index Fund Expense Cap Class I shares 0.20 0.20% Class R5 shares 0.30 0.30% Service Class shares 0.45 0.45% Administrative Class shares 0.55 0.55% Class A shares 0.80 0.80% Class R4 shares 0.70 0.70% Class R3 shares 0.95 0.95% MM MSCI EAFE International Index Fund Expense Cap Class I shares 0.25 0.25% Class R5 shares 0.35 0.35% Service Class shares 0.50 0.50% Administrative Class shares 0.60 0.60% Class A shares 0.85 0.85% Class R4 shares 0.75 0.75% Class R3 shares 1.00 1.00% MM Select Bond and Income Asset Fund Expense Cap Class I shares 0.26% MM Select Equity Asset Fund Expense Cap Class I shares 0.25% MassMutual RetireSMART Conservative Fund Expense Cap Class I shares 0.02% Class R5 shares 0.12% Service Class shares 0.22% Administrative Class shares 0.32% Class A shares 0.57% Class R4 shares 0.47% Class R3 shares 0.72% MassMutual RetireSMART Moderate Fund Expense Cap Class I shares 0.04% Class R5 shares 0.14% Service Class shares 0.24% Administrative Class shares 0.34% Class A shares 0.59% Class R4 shares 0.49% Class R3 shares 0.74% MassMutual RetireSMART Moderate Growth Fund Expense Cap Class I shares 0.04% Class R5 shares 0.14% Service Class shares 0.24% Administrative Class shares 0.34% Class A shares 0.59% Class R4 shares 0.49% Class R3 shares 0.74% MassMutual RetireSMART Growth Fund Expense Cap Class I shares 0.07% Class R5 shares 0.17% Service Class shares 0.27% Administrative Class shares 0.37% Class A shares 0.62% Class R4 shares 0.52% Class R3 shares 0.77% MassMutual RetireSMART In Retirement Fund Expense Cap Class I shares 0.06% Class R5 shares 0.16% Service Class shares 0.26% Administrative Class shares 0.36% Class A shares 0.61% Class R4 shares 0.51% Class R3 shares 0.76% MassMutual RetireSMART 2010 Fund Expense Cap Class I shares 0.04% Class R5 shares 0.14% Service Class shares 0.24% Administrative Class shares 0.34% Class A shares 0.59% Class R4 shares 0.49% Class R3 shares 0.74% MassMutual RetireSMART 2015 Fund Expense Cap Class I shares 0.06% Class R5 shares 0.16% Service Class shares 0.26% Administrative Class shares 0.36% Class A shares 0.61% Class R4 shares 0.51% Class R3 shares 0.76% MassMutual RetireSMART 2020 Fund Expense Cap Class I shares 0.04% Class R5 shares 0.14% Service Class shares 0.24% Administrative Class shares 0.34% Class A shares 0.59% Class R4 shares 0.49% Class R3 shares 0.74% MassMutual RetireSMART 2025 Fund Expense Cap Class I shares 0.01% Class R5 shares 0.11% Service Class shares 0.21% Administrative Class shares 0.31% Class A shares 0.56% Class R4 shares 0.46% Class R3 shares 0.71% MassMutual RetireSMART 2030 Fund Expense Cap Class I shares 0.04% Class R5 shares 0.14% Service Class shares 0.24% Administrative Class shares 0.34% Class A shares 0.59% Class R4 shares 0.49% Class R3 shares 0.74% MassMutual RetireSMART 2035 Fund Expense Cap Class I shares 0.05% Class R5 shares 0.15% Service Class shares 0.25% Administrative Class shares 0.35% Class A shares 0.60% Class R4 shares 0.50% Class R3 shares 0.75% MassMutual RetireSMART 2040 Fund Expense Cap Class I shares 0.04% Class R5 shares 0.14% Service Class shares 0.24% Administrative Class shares 0.34% Class A shares 0.59% Class R4 shares 0.49% Class R3 shares 0.74% MassMutual RetireSMART 2045 Fund Expense Cap Class I shares 0.02% Class R5 shares 0.12% Service Class shares 0.22% Administrative Class shares 0.32% Class A shares 0.57% Class R4 shares 0.47% Class R3 shares 0.72% MassMutual RetireSMART 2050 Fund Expense Cap Class I shares 0.02% Class R5 shares 0.12% Service Class shares 0.22% Administrative Class shares 0.32% Class A shares 0.57% Class R4 shares 0.47% Class R3 shares 0.72% MassMutual RetireSMART 2055 Fund Expense Cap Class I shares 0.00% Class R5 shares 0.10% Service Class shares 0.20% Administrative Class shares 0.30% Class A shares 0.55% Class R4 shares 0.45% Class R3 shares 0.70% MassMutual RetireSMART 2060 Fund Expense Cap Class I shares 0.00% Class R5 shares 0.10% Service Class shares 0.20% Administrative Class shares 0.30% Class A shares 0.55% Class R4 shares 0.45% Class R3 shares 0.70%

Expense Limitation. The Manager agrees to cap the fees and expenses of each Fund (other than extraordinary litigation and legal expenses, Acquired Fund fees and expenses, interest expense, short sale dividend and loan expense, Acquired Fund fees and expenses, or other non-recurring or unusual expenses such as organizational expenses and shareholder meeting expenses) through January March 31, 2020 2016 at the following amounts. This agreement can only be terminated by mutual consent of the Board of Trustees of the Trust on behalf of the Funds and the Manager. MassMutual Select Strategic Bond Fund Expense Cap Class I shares 0.48 % Class R5 shares 0.58 % Service Class shares 0.68 % Administrative Class shares 0.78 % Class A shares 1.03 % Class R4 shares 0.93 % Class R3 shares 1.18 % MassMutual Select BlackRock Global Allocation Fund Expense Cap Class I shares 0.79 % Class R5 shares 0.89 % Service Class shares 0.99 % Administrative Class shares 1.09 % Class A shares 1.34 % Class R4 shares 1.24 % Class R3 shares 1.49 % MassMutual Select Large Cap Value Fund Expense Cap Class I shares 0.63 % Class R5 shares 0.73 % Service Class shares 0.83 % Administrative Class shares 0.93 % Class A shares 1.18 % Class R4 shares 1.08 % Class R3 shares 1.33 % MassMutual Select Fundamental Growth Fund Expense Cap Class I shares 0.70 % Class R5 shares 0.80 % Service Class shares 0.90 % Administrative Class shares 1.00 % Class A shares 1.25 % Class R4 shares 1.15 % Class R3 shares 1.40 % MassMutual Select Mid-Cap Value Fund Expense Cap Class I shares 0.80 % Class R5 shares 0.90 % Service Class shares 1.00 % Administrative Class shares 1.10 % Class A shares 1.35 % Class R4 shares 1.25 % Class R3 shares 1.50 % MX MassMutual Select Small Cap Value Equity Fund Expense Cap Class I shares 0.80 % Class R5 shares 0.90 % Service Class shares 1.00 % Administrative Class shares 1.10 % Class A shares 1.35 % Class R4 shares 1.25 % Class R3 shares 1.50 % MM S&P Mid Cap Index Fund Expense Cap Class I shares 0.20 % Class R5 shares 0.30 % Service Class shares 0.45 % Administrative Class shares 0.55 % Class A shares 0.80 % Class R4 shares 0.70 % Class R3 shares 0.95 % XX Xxxxxxx 2000 Small Cap Index Fund Expense Cap Class I shares 0.20 % Class R5 shares 0.30 % Service Class shares 0.45 % Administrative Class shares 0.55 % Class A shares 0.80 % Class R4 shares 0.70 % Class R3 shares 0.95 % MassMutual Select Small Company Growth Fund Expense Cap Class I shares 0.90 % Class R5 shares 1.00 % Service Class shares 1.10 % Administrative Class shares 1.20 % Class A shares 1.45 % Class R4 shares 1.35 % Class R3 shares 1.60 % MassMutual Select Diversified International Fund Expense Cap Class I shares 0.90 % Class R5 shares 1.00 % Service Class shares 1.10 % Administrative Class shares 1.20 % Class A shares 1.45 % Class R4 shares 1.35 % Class R3 shares 1.60 % MM MSCI EAFE International Index Fund Expense Cap Class I shares 0.25 % Class R5 shares 0.35 % Service Class shares 0.50 % Administrative Class shares 0.60 % Class A shares 0.85 % Class R4 shares 0.75 % Class R3 shares 1.00 % MassMutual RetireSMART Conservative Fund Expense Cap Class I shares 0.02 % Class R5 shares 0.12 % Service Class shares 0.22 % Administrative Class shares 0.32 % Class A shares 0.57 % Class R4 shares 0.47 % Class R3 shares 0.72 % MassMutual RetireSMART Moderate Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART Moderate Growth Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART Growth Fund Expense Cap Class I shares 0.07 % Class R5 shares 0.17 % Service Class shares 0.27 % Administrative Class shares 0.37 % Class A shares 0.62 % Class R4 shares 0.52 % Class R3 shares 0.77 % MassMutual RetireSMART In Retirement Fund Expense Cap Class I shares 0.06 % Class R5 shares 0.16 % Service Class shares 0.26 % Administrative Class shares 0.36 % Class A shares 0.61 % Class R4 shares 0.51 % Class R3 shares 0.76 % MassMutual RetireSMART 2010 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2015 Fund Expense Cap Class I shares 0.06 % Class R5 shares 0.16 % Service Class shares 0.26 % Administrative Class shares 0.36 % Class A shares 0.61 % Class R4 shares 0.51 % Class R3 shares 0.76 % MassMutual RetireSMART 2020 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2025 Fund Expense Cap Class I shares 0.01 % Class R5 shares 0.11 % Service Class shares 0.21 % Administrative Class shares 0.31 % Class A shares 0.56 % Class R4 shares 0.46 % Class R3 shares 0.71 % MassMutual RetireSMART 2030 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2035 Fund Expense Cap Class I shares 0.05 % Class R5 shares 0.15 % Service Class shares 0.25 % Administrative Class shares 0.35 % Class A shares 0.60 % Class R4 shares 0.50 % Class R3 shares 0.75 % MassMutual RetireSMART 2040 Fund Expense Cap Class I shares 0.04 % Class R5 shares 0.14 % Service Class shares 0.24 % Administrative Class shares 0.34 % Class A shares 0.59 % Class R4 shares 0.49 % Class R3 shares 0.74 % MassMutual RetireSMART 2045 Fund Expense Cap Class I shares 0.02 % Class R5 shares 0.12 % Service Class shares 0.22 % Administrative Class shares 0.32 % Class A shares 0.57 % Class R4 shares 0.47 % Class R3 shares 0.72 % MassMutual RetireSMART 2050 Fund Expense Cap Class I shares 0.02 % Class R5 shares 0.12 % Service Class shares 0.22 % Administrative Class shares 0.32 % Class A shares 0.57 % Class R4 shares 0.47 % Class R3 shares 0.72 % MassMutual RetireSMART 2055 Fund Expense Cap Class I shares 0.00 % Class R5 shares 0.10 % Service Class shares 0.20 % Administrative Class shares 0.30 % Class A shares 0.55 % Class R4 shares 0.45 % Class R3 shares 0.70 %