Common use of Securities Offered Clause in Contracts

Securities Offered. Class E Cumulative Redeemable Perpetual Preferred Units (the “units”). Number of Units: 4,400,000 units. Number of Option Units: 660,000 units. Public Offering Price: $25.00 per unit; $110,000,000 total. Underwriting Discounts: $0.7875 per unit; $3,465,000 total. Maturity Date: Perpetual (unless redeemed by the issuer on or after March 17, 2019 or in connection with a Change of Control). Ratings: The Class E Cumulative Redeemable Perpetual Preferred Units will not be rated. Trade Date: March 12, 2014. Settlement Date: March 17, 2014 (T+3). Liquidation Preference: $25.00, plus accumulated and unpaid distributions. Distribution Rate: 8.25% per annum of the $25.00 per unit liquidation preference (equivalent to $2.0625 per unit per annum).

Securities Offered. Class E Series A Cumulative Redeemable Perpetual Preferred Units (the “units”). Number of Units: 4,400,000 2,200,000 units. Number of Option Units: 660,000 330,000 units. Public Offering Price: $25.00 per unit; $110,000,000 55,000,000 total. Underwriting Discounts: $0.7875 per unit; $3,465,000 1,732,500 total. Maturity Date: Perpetual (unless redeemed by the issuer on or after March 17June 15, 2019 or in connection with a Change of Control2023). Ratings: The Class E Series A Cumulative Redeemable Perpetual Preferred Units will not be rated. Trade Date: March June 12, 20142013. Settlement Date: March 17June 19, 2014 2013 (T+3T+5). Liquidation Preference: $25.00, plus accumulated and unpaid distributions. Distribution Rate: 8.257.875% per annum of the $25.00 per unit liquidation preference (equivalent to $2.0625 1.9688 per unit per annum).

Securities Offered. 8.625% Class E D Cumulative Redeemable Perpetual Preferred Units (the “units”). Number of Units: 4,400,000 3,200,000 units. Number of Option Units: 660,000 480,000 units. Public Offering Price: $25.00 per unit; $110,000,000 80,000,000 total. Underwriting Discounts: $0.7875 per unit; $3,465,000 2,520,000 total. Maturity Date: Perpetual (unless redeemed by the issuer on or after March 17October 15, 2019 or in connection with a Change of Control2019). Ratings: The Class E Cumulative Redeemable Perpetual Preferred Units units will not be rated. Trade Date: March 12September 25, 2014. Settlement Date: March 17October 2, 2014 (T+3T+5). Liquidation Preference: $25.00, plus accumulated and unpaid distributions. Distribution Rate: 8.258.625% per annum of the $25.00 per unit liquidation preference (equivalent to $2.0625 2.15625 per unit per annum).

Securities Offered. Class E 7.75% Series C Cumulative Redeemable Perpetual Preferred Units (the “units”). Number of Units: 4,400,000 4,000,000 units. Number of Option Units: 660,000 600,000 units. Public Offering Price: $25.00 per unit; $110,000,000 100,000,000 total. Underwriting Discounts: $0.7875 per unit; $3,465,000 3,150,000 total. Maturity Date: Perpetual (unless redeemed by the issuer on or after March 17October 15, 2019 or in connection with a Change of Control2024). Ratings: The Class E Cumulative Redeemable Perpetual Preferred Units units will not be rated. Trade Date: March 12September 10, 2014. Settlement Date: March 17September 15, 2014 (T+3). Liquidation Preference: $25.00, plus accumulated and unpaid distributions. Distribution Rate: 8.257.75% per annum of the $25.00 per unit liquidation preference (equivalent to $2.0625 1.9375 per unit per annum). Distribution Payment Dates: Monthly on the 15th day of each month, commencing on November 15, 2014.

Securities Offered. Class E 7.625% Series B Cumulative Redeemable Perpetual Preferred Units (the “units”). Number of Units: 4,400,000 7,000,000 units. Number of Option Units: 660,000 1,050,000 units. Public Offering Price: $25.00 per unit; $110,000,000 175,000,000 total. Underwriting Discounts: $0.7875 per unit; $3,465,000 5,512,000 total. Maturity Date: Perpetual (unless redeemed by the issuer on or after March 17April 15, 2019 or in connection with a Change of Control2024). Ratings: The Class E Cumulative Redeemable Perpetual Preferred Units units will not be rated. Trade Date: March 124, 2014. Settlement Date: March 1711, 2014 (T+3T+5). Liquidation Preference: $25.00, plus accumulated and unpaid distributions. Distribution Rate: 8.257.625% per annum of the $25.00 per unit liquidation preference (equivalent to $2.0625 1.90625 per unit per annum). Distribution Payment Dates: Monthly on the 15th day of each month, commencing on May 15, 2014.