X0306 4 2016-06-02 0001423902 Western Gas Equity Partners, LP WGP 0001473676 Sinclair Donald R. 1201 LAKE ROBBINS DRIVE THE WOODLANDS TX 77380 1 1 CEO, President & Director Common Units representing limited partner interests 2016-06-02 4 S 0 24807 42.3149 D 178830 D Common Units representing limited partner interests 2016-06-03 4 S 0 3163 42.6024 D 175667 D Common Units representing limited partner interests 501 I By Child Common Units representing limited partner interests 31380 I By Trust The above sale was made pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. This transaction was executed in multiple trades at prices ranging from $41.32 to $43.66. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. This transaction was executed in multiple trades at prices ranging from $42.04 to $43.23. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. /s/ Dixi L. Elkins by power of atty. for Donald R. Sinclair 2016-06-06