X0306 4 2020-12-17 0 0000886835 SUPERIOR ENERGY SERVICES INC SPNX 0001236484 MCSHANE MICHAEL 1001 LOUISIANA STREET, SUITE 2900 HOUSTON TX 77002 1 0 0 0 Common Stock 2020-12-17 4 S 0 105382 0.042 D 5381 D Reflects a reverse stock split of the Issuer's common stock at a ratio of one-for-ten, effective on December 18, 2019 at 5:00 p.m. Eastern Time, whereby the the resulting fractional share was rounded down to the nearest whole share. /s/ William B. Masters, on behalf of Michael M. McShane, pursuant to a power of attorney 2020-12-21