X0306 4 2020-02-12 0001423902 Western Midstream Partners, LP WES 0001627376 Bourne Robert W. 1201 LAKE ROBBINS DR THE WOODLANDS TX 77380 1 SVP & Chief Commercial Officer Common Units representing limited partner interests 0 D Phantom Units 2020-02-12 4 A 0 37454 0 A Common Units representing limited partner interests 37454 37454 D Each Phantom Unit is the economic equivalent of one WES Common Unit representing limited partnership interests, and upon vesting, entitled to receive a common unit The phantom units vest in three annual installments beginning one year after the date of grant, and will pay distribution equivalent rights prior to vesting in the form of WES Common Units. /s/ Courtney H. Landry by power of atty. for Robert W. Bourne 2020-02-14