- ------------------------------------------------------------------------ RELEASE FROM SHAREHOLDERS - ------------------------------------------------------------------------ Exhibit 4(c) FIRST AMENDMENT TO SHARE ACQUISITION AGREEMENT THIS FIRST AMENDMENT TO SHARE ACQUISITION AGREEMENT made and entered into as of this 24 day of November, 1992, by and between ATLAS ENERGY GROUP, INC. (the "Company"), an Ohio corporation, and JOSEPH R. SADOWSKI ("Shareholder"). WITNESSETH THAT: WHEREAS, the Company and the Shareholder executed that certain Share Acquisition Agreement dated as of November 14, 1990 (the "Share Acquisition Agreement"), providing for the purchase by the Company of certain shares of common stock of the Company (the "Common Stock") and the grant of certain options as set forth in Sections 5.3, 5.4 and 5.5 of the Share Acquisition Agreement (the "Shareholder Put Options") pursuant to which the Shareholder may require the Company to buy additional shares of Common Stock, held by Shareholder in the future; and WHEREAS, the Company and the Shareholder believe the existence of the Shareholder Put Options impairs the ability of the Company to raise capital for the Company's oil and gas drilling operations; and WHEREAS, the Company and the Shareholder believe said oil and gas drilling operations are necessary for the continued growth of the Company; and WHEREAS, the Shareholder will benefit from the Company's continued growth; and WHEREAS, the parties hereto desire to amend the provisions of the Share Acquisition Agreement. NOW THEREFORE, in consideration of the premises herein and intending to be legally bound hereby, the parties hereto agree as follows: 1. Shareholder hereby agrees to unconditionally waive any and all rights under the Shareholder Put Options and hereby acknowledges and agrees that the execution of this First Amendment will extinguish any and all rights under said Shareholder Put Options. 2. Sections 5.3, 5.4 and 5.5 of the Share Acquisition Agreement are deleted. 3. Sections 5.6, 5.7, 5.8 and 5.9 of the Share Acquisition Agreement are renumbered 5.3, 5.4, 5.5 and 5.6, respectively. 4. The reference to "First Shareholder Option" in Section 5.2 of the Share Acquisition Agreement is deleted. 5. The reference to "Section 5.7(a)" in Sections 5.1 and 5.2 of the Share Acquisition Agreement is amended to read "Section 5.4 (a)". 6. The reference to "Sections 5.3, 5.4 or 5.5" in newly renumbered Sections 5.3 and 5.4 of the Share Acquisition Agreement is deleted. 7. The reference to "Section 5.7" in newly renumbered Section 5.5 of the Share Acquisition Agreement is amended to read "Section 5.4". 8. Except as expressly amended hereby, the provisions of the Share Acquisition Agreement are hereby affirmed in all respects. WITNESS the due execution hereof as of the date first above written. ATLAS ENERGY GROUP, INC. By: /s/ J. R. O'Mara J.R. O'Mara, Executive Vice President /s/ Joseph R. Sadowski Joseph R. Sadowski FIRST AMENDMENT TO SHARE ACQUISITION AGREEMENT THIS FIRST AMENDMENT TO SHARE ACQUISITION AGREEMENT made and entered into as of this 24 day of November, 1992, by and between ATLAS ENERGY GROUP, INC. (the "Company"), an Ohio corporation, and CHARLES KOVAL ("Shareholder"). WITNESSETH THAT: WHEREAS, the Company and the Shareholder executed that certain Share Acquisition Agreement dated as of November 14, 1990 (the "Share Acquisition Agreement"), providing for the purchase by the Company of certain shares of common stock of the Company (the "Common Stock") and the grant of certain options as set forth in Sections 5.3, 5.4 and 5.5 of the Share Acquisition Agreement (the "Shareholder Put Options") pursuant to which the Shareholder may require the Company to buy additional shares of Common Stock, held by Shareholder in the future; and WHEREAS, the Company and the Shareholder believe the existence of the Shareholder Put Options impairs the ability of the Company to raise capital for the Company's oil and gas drilling operations; and WHEREAS, the Company and the Shareholder believe said oil and gas drilling operations are necessary for the continued growth of the Company; and WHEREAS, the Shareholder will benefit from the Company's continued growth; and WHEREAS, the parties hereto desire to amend the provisions of the Share Acquisition Agreement. NOW THEREFORE, in consideration of the premises herein and intending to be legally bound hereby, the parties hereto agree as follows: 1. Shareholder hereby agrees to unconditionally waive any and all rights under the Shareholder Put Options and hereby acknowledges and agrees that the execution of this First Amendment will extinguish any and all rights under said Shareholder Put Options. 2. Sections 5.3, 5.4 and 5.5 of the Share Acquisition Agreement are deleted. 3. Sections 5.6, 5.7, 5.8 and 5.9 of the Share Acquisition Agreement are renumbered 5.3, 5.4, 5.5 and 5.6, respectively. 4. The reference to "First Shareholder Option" in Section 5.2 of the Share Acquisition Agreement is deleted. 5. The reference to "Section 5.7(a)" in Sections 5.1 and 5.2 of the Share Acquisition Agreement is amended to read "Section 5.4 (a)". 6. The reference to "Sections 5.3, 5.4 or 5.5" in newly renumbered Sections 5.3 and 5.4 of the Share Acquisition Agreement is deleted. 7. The reference to "Section 5.7" in newly renumbered Section 5.5 of the Share Acquisition Agreement is amended to read "Section 5.4". 8. Except as expressly amended hereby, the provisions of the Share Acquisition Agreement are hereby affirmed in all respects. WITNESS the due execution hereof as of the date first above written. ATLAS ENERGY GROUP, INC. By: /s/ J. R. O'Mara J.R. O'Mara, Executive Vice President /s/ Charles Koval Charles Koval