0001193125-05-225939 Sample Contracts

5,150,000 Shares EQUINIX, INC. Common Stock, par value $0.001 per share UNDERWRITING AGREEMENT

Underwriting Agreement • November 14th, 2005 • Equinix Inc • Telephone communications (no radiotelephone) • New York

• Contract Type
  Underwriting Agreement
• Filed
  November 14th, 2005
• Company
  Equinix Inc
• Industry
  Telephone communications (no radiotelephone)
• Jurisdiction
  New York

CREDIT SUISSE FIRST BOSTON (USA), INC. 4,300,000 SAILS (Shared Appreciation Income Linked Securities) Due November 15, 2008 Subject to Exchange into Shares of Common Stock, par value $0.001 per share, of Equinix, Inc. TERMS AGREEMENT

Terms Agreement • November 14th, 2005 • Equinix Inc • Telephone communications (no radiotelephone) • New York

• Contract Type
  Terms Agreement
• Filed
  November 14th, 2005
• Company
  Equinix Inc
• Industry
  Telephone communications (no radiotelephone)
• Jurisdiction
  New York

Credit Suisse First Boston (USA), Inc., a Delaware corporation (“CSFB USA”), proposes to issue and sell to the several underwriters named in Schedule A hereto (the “Underwriters”), 4,300,000 SAILS (Shared Appreciation Income Linked Securities) due November 15, 2008 (the “SAILS”) with a principal amount of $35.64 per SAILS. The SAILS are subject to exchange into shares of common stock, par value $0.001 per share (the “Common Stock”), of Equinix, Inc., a Delaware corporation (“Equinix”), or the cash equivalent of those shares.