X0303 4 2010-03-16 0 0001323715 Superior Well Services, INC SWSI 0001333447 Snyder David Elmer 1380 RT. 286 EAST SUITE 121 INDIANA PA 15701 1 0 1 0 Common Stock 2010-03-16 4 S 0 1000 15.50 D 1268452 D Common Stock 2010-03-17 4 S 0 4000 15925 D 1264452 D Common Stock 2010-01-22 5 G 0 2000 0 A 22000 I See Footnote (2) Common Stock 119881 I See Footnote (3) Common Stock 1332827 I See Footnote (4) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.75 to $16.15, inclusive. The reporting person undertakes to provide to Superior Well Services, Inc., any security holder of Superior Well Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The reported securities are indirectly owned by David E. Snyder through the Elmer A. & Annabelle C. Snyder Irrevocable Separate Shares Great-Granchildren Trust, which directly owns the shares. Mr. Snyder is a trustee of such trust and, as such, he may be deemed to have voting and dispositive power over the shares directly owned by such trust. Mr. Snyder disclaims beneficial ownership in the reported securities except to the extent of his pecuniary interest therein. The reported securities are indirectly owned by David E. Snyder through Buffalo Valley Real Estate Co., which directly owns the 119,881 shares. Mr. Snyder is an executive officer and director of Buffalo Valley Real Estate Co. and, as such, he may be deemed to have voting and dispositive power over the shares directly owned by such Buffalo Valley Real Estate Co. Mr. Snyder disclaims beneficial ownership in the reported securities except to the extent of his pecuniary interest therein. The reported securities are indirectly owned by David E. Snyder through Snyder Associated Companies, Inc., which indirectly owns the 1,332,827 shares through Snyder Industries, Inc., a wholly owned subsidiary of Snyder Associated Companies, Inc. Mr. Snyder is a shareholder of Snyder Associated Companies, Inc., serves as its President and is a member of its board of directors. Mr. Snyder is an executive officer and is a member of the board of directors of Snyder Industries, Inc. As such, Mr. Snyder may be deemed to have voting and dispositive power over the shares indirectly owned by Snyder Associated Companies, Inc. Mr. Snyder disclaims beneficial ownership in the reported securities except to the extent of his pecuniary interest therein /s/ David E. Snyder 2010-03-18