U.S. Silica Holdings, Inc. Contracts & Agreements

Sixth Amended and Restated U.S. Silica Holdings Inc. 2011 Incentive Compensation Plan, as amended and restated effective May 9, 2024 (marked to show changes against prior version) (Filed With SEC on May 10, 2024)

Sixth Amended and Restated U.S. Silica Holdings Inc. 2011 Incentive Compensation Plan, as amended and restated effective May 9, 2024 (Filed With SEC on May 10, 2024)

Agreement and Plan of Merger, dated as of April 26, 2024, by and among the Company, Parent and Merger Sub (Filed With SEC on April 26, 2024)

Letter Agreement, dated June 29, 2023, by and between Simon Bates and U.S. Silica Holdings, Inc (Filed With SEC on February 27, 2024)

Letter Agreement, dated July 13, 2023, by and between Jimmi Sue Smith and U.S. Silica Holdings, Inc (Filed With SEC on February 27, 2024)

Confidential Separation, Severance and General Release Agreement dated November 17, 2023 by and between Donald A. Merril, U.S. Silica Company and U.S. Silica Holdings, Inc (Filed With SEC on November 24, 2023)

Separation, Consulting and General Release Agreement dated August 10, 2023 by and between Michael L. Winkler, U.S. Silica Company and U.S. Silica Holdings, Inc (Filed With SEC on August 11, 2023)

Fifth Amended and Restated U.S. Silica Holdings Inc. 2011 Incentive Compensation Plan, as amended and restated effective May 11, 2023 (Filed With SEC on May 12, 2023)

Fifth Amended and Restated U.S. Silica Holdings Inc. 2011 Incentive Compensation Plan, as amended and restated effective May 11, 2023 (marked to show changes against prior version) (Filed With SEC on May 12, 2023)

Form of Restricted Stock Unit Agreement Pursuant to the Amended and Restated U.S. Silica Holdings, Inc. 2011 Incentive Compensation Plan (Filed With SEC on April 28, 2023)

Form of Performance Share Unit Agreement (Relative TSR) Pursuant to the Amended and Restated U.S. Silica Holdings, Inc. 2011 Incentive Compensation Plan (Filed With SEC on April 28, 2023)

Form of Performance Share Unit Agreement (Adjusted Cash Flow) Pursuant to the Amended and Restated U.S. Silica Holdings, Inc. 2011 Incentive Compensation Plan (Filed With SEC on April 28, 2023)

Fourth Amended and Restated U.S. Silica Holdings Inc. 2011 Incentive Compensation Plan, as amended and restated effective May 12, 2022 (Filed With SEC on May 13, 2022)

Form of Restricted Stock Unit Agreement Pursuant to the Amended and Restated U.S. Silica Holdings, Inc. 2011 Incentive Compensation Plan (Filed With SEC on April 29, 2022)

Form of Performance Share Unit Agreement (Relative TSR) Pursuant to the Amended and Restated U.S. Silica Holdings, Inc. 2011 Incentive Compensation Plan (Filed With SEC on April 29, 2022)

Form of Performance Share Unit Agreement (Adjusted Cash Flow) Pursuant to the Amended and Restated U.S. Silica Holdings, Inc. 2011 Incentive Compensation Plan (Filed With SEC on April 29, 2022)

Third Amended and Restated U.S. Silica Holdings Inc. 2011 Incentive Compensation Plan, as amended and restated effective May 13, 2021 (Filed With SEC on March 22, 2022)

Letter Agreement, effective September 21, 2021, by and between Sandra Rogers and U.S. Silica Holdings, Inc (Filed With SEC on February 25, 2022)

Third Amended and Restated U.S. Silica Holdings Inc. 2011 Incentive Compensation Plan, as amended and restated effective May 13, 2021 (Filed With SEC on May 14, 2021)

Form of Performance Share Unit Agreement (Relative TSR) Pursuant to the Amended and Restated U.S. Silica Holdings, Inc. 2011 Incentive Compensation Plan (Filed With SEC on April 30, 2021)

Separation, Severance and General Release Agreement entered into by and between Bradford B. Casper and U.S. Silica Company effective August 31, 2020 (Filed With SEC on October 29, 2020)

Second Amended and Restated U.S. Silica Holdings, Inc. 2011 Incentive Compensation Plan (Filed With SEC on July 31, 2020)

Second Amended and Restated U.S. Silica Holdings Inc. 2011 Incentive Compensation Plan, as amended and restated effective February 1, 2020 (Filed With SEC on May 7, 2020)

Form of Restricted Stock Unit Agreement, pursuant to the Amended and Restated U.S. Silica Holdings, Inc. 2011 Incentive Compensation Plan (Filed With SEC on May 1, 2020)

U.S. Silica Holdings, Inc. Amended and Restated Change in Control Severance Plan, as amended and restated April 29, 2020 (Filed With SEC on May 1, 2020)

Letter Agreement, effective July 7, 2019, by and between Bonnie Lind and U.S. Silica Holdings, Inc (Filed With SEC on February 25, 2020)

Description of the Registrant's Securities Registered Pursuant to Section 12 of the Exchange Act (Filed With SEC on February 25, 2020)

Consent and Amendment Agreement, dated as of August 23, 2019, among U.S. Silica Company and BNP Paribas, as administrative agent and the lenders named therein, amending that... (Filed With SEC on October 30, 2019)

Form of Performance Share Unit Agreement (Relative TSR) Pursuant to the Amended and Restated U.S. Silica Holdings, Inc. 2011 Incentive Compensation Plan (Filed With SEC on May 1, 2019)

Form of Performance Share Unit Agreement (Adjusted Cash Flow) Pursuant to the Amended and Restated U.S. Silica Holdings, Inc. 2011 Incentive Compensation Plan (Filed With SEC on May 1, 2019)

Form of Restricted Stock Unit Agreement Pursuant to the Amended and Restated U.S. Silica Holdings, Inc. 2011 Incentive Compensation Plan (Filed With SEC on May 1, 2019)

Separation, Severance and General Release Agreement entered into by and between Billy Ray Smith and U.S. Silica Company effective March 27, 2019 (Filed With SEC on May 1, 2019)

Agreement and Plan of Merger, dated as of March 22, 2018, by and among EP Acquisition Parent, Inc. US Silica Company, Tranquility Acquisition Corp., EPMC Parent LLC, as the... (Filed With SEC on April 24, 2018)

Form of Performance Share Unit Agreement Pursuant to the Amended and Restated U.S. Silica Holdings, Inc. 2011 Incentive Compensation Plan (Filed With SEC on April 24, 2018)

Form of Restricted Stock Unit Agreement Pursuant to the Amended and Restated U.S. Silica Holdings, Inc. 2011 Incentive Compensation Plan (Filed With SEC on April 24, 2018)

Form of Restricted Stock Agreement Pursuant to the Amended and Restated U.S. Silica Holdings, Inc. 2011 Incentive Compensation Plan (Filed With SEC on April 24, 2018)

(VIA E-MAIL) (Filed With SEC on August 18, 2017)

U.S. Silica Holdings, Inc. Amended and Restated 2011 Incentive Compensation Plan Amendment No. 1 November 3, 2016 (Filed With SEC on February 23, 2017)

U.S. SILICA HOLDINGS, INC. 2011 INCENTIVE COMPENSATION PLAN OMNIBUS AMENDMENT TO AWARD AGREEMENTS (Filed With SEC on February 23, 2017)

9,000,000 Shares U.S.Silica Holdings, Inc. COMMON STOCK, $0.01 PAR VALUE PER SHARE UNDERWRITING AGREEMENT (Filed With SEC on November 16, 2016)

AGREEMENT AND PLAN OF MERGER by and among U.S. SILICA HOLDINGS, INC., NEW BIRMINGHAM MERGER CORP., NBI MERGER SUBSIDIARY II, INC., NEW BIRMINGHAM, INC., and EACH OF DAVID DURRETT... (Filed With SEC on November 4, 2016)

MEMBERSHIP UNIT PURCHASE AGREEMENT by and among U.S. SILICA COMPANY, U.S. SILICA HOLDINGS, INC., SANDBOX ENTERPRISES, LLC, THE MEMBERS OF SANDBOX ENTERPRISES, LLC and SANDY CREEK... (Filed With SEC on November 4, 2016)

PERFORMANCE SHARE UNIT AGREEMENT PURSUANT TO THE 2011 INCENTIVE COMPENSATION PLAN * * * * * (Filed With SEC on April 27, 2016)

8,695,700 Shares U.S.Silica Holdings, Inc. COMMON STOCK, $0.01 PAR VALUE PER SHARE UNDERWRITING AGREEMENT (Filed With SEC on March 22, 2016)

U.S. SILICA HOLDINGS, INC. CHANGE IN CONTROL SEVERANCE PLAN INTRODUCTION (Filed With SEC on February 23, 2016)

U.S. SILICA HOLDINGS, INC. AMENDMENT TO EMPLOYMENT AGREEMENT (Filed With SEC on February 23, 2016)

U.S. SILICA HOLDINGS, INC. 2011 INCENTIVE COMPENSATION PLAN OMNIBUS AMENDMENT TO AWARD AGREEMENTS (Filed With SEC on February 23, 2016)

AMENDED AND RESTATED U.S. SILICA HOLDINGS, INC. 2011INCENTIVE COMPENSATION PLAN ARTICLE I PURPOSE (Filed With SEC on May 11, 2015)

NONQUALIFIED STOCK OPTION AGREEMENT PURSUANT TO THE 2011 INCENTIVE COMPENSATION PLAN * * * * * (Filed With SEC on February 25, 2015)

JOINDER AGREEMENT (Filed With SEC on December 11, 2014)

U.S. SILICA HOLDINGS, INC. 2011 INCENTIVE COMPENSATION PLAN AMENDMENT NO. 1 TO RESTRICTED STOCK AGREEMENT (Filed With SEC on July 30, 2014)

U.S. SILICA HOLDINGS, INC. 2011 INCENTIVE COMPENSATION PLAN OMNIBUS AMENDMENT TO AWARD AGREEMENTS (Filed With SEC on July 30, 2014)

(VIA E-MAIL) (Filed With SEC on March 21, 2014)

SEPARATION, OPTION EXTENSION AND POST-SEPARATION COVENANTAGREEMENT (Filed With SEC on February 26, 2014)

PERFORMANCE SHARE UNIT AGREEMENT PURSUANT TO THE 2011 INCENTIVE COMPENSATION PLAN * * * * * (Filed With SEC on February 26, 2014)

4,526,471 Shares U.S.Silica Holdings, Inc. COMMON STOCK, $0.01 PAR VALUE PER SHARE UNDERWRITING AGREEMENT (Filed With SEC on December 11, 2013)

11,500,000 Shares U.S.Silica Holdings, Inc. COMMON STOCK, $0.01 PAR VALUE PER SHARE UNDERWRITING AGREEMENT (Filed With SEC on November 14, 2013)

September 29, 2013 (VIA E-MAIL) (Filed With SEC on October 11, 2013)

12,000,000 Shares U.S. Silica Holdings, Inc. COMMON STOCK, $0.01 PAR VALUE PER SHARE UNDERWRITING AGREEMENT (Filed With SEC on June 11, 2013)

8,500,000 Shares U.S. Silica Holdings, Inc. COMMON STOCK, $0.01 PAR VALUE PER SHARE UNDERWRITING AGREEMENT (Filed With SEC on March 19, 2013)

AMENDMENT NO. 5 TO LOAN AND SECURITY AGREEMENT (Filed With SEC on February 26, 2013)

AMENDMENT NO. 6 TO LOAN AND SECURITY AGREEMENT (Filed With SEC on January 4, 2013)

CONSULTING AGREEMENT (Filed With SEC on October 1, 2012)

Separation and Transition Agreement (Filed With SEC on October 1, 2012)

[Letterhead of U.S. Silica Holdings, Inc.] April 27, 2012 (Filed With SEC on May 1, 2012)

Separation and General Release Agreement (Filed With SEC on April 20, 2012)

EMPLOYMENT AGREEMENT (Filed With SEC on March 22, 2012)

AMENDMENT NO. 4 TO LOAN AND SECURITY AGREEMENT (Filed With SEC on March 20, 2012)

DIRECTOR DESIGNATION AGREEMENT (Filed With SEC on February 6, 2012)

REGISTRATION RIGHTS AGREEMENT (Filed With SEC on February 6, 2012)

[Letterhead of U.S. Silica Holdings, Inc.] December 27, 2011 (Filed With SEC on December 29, 2011)

EMPLOYMENT AGREEMENT (Filed With SEC on December 29, 2011)

DIRECTOR DESIGNATION AGREEMENT (Filed With SEC on December 29, 2011)

INDEMNIFICATION AGREEMENT (Filed With SEC on December 29, 2011)

REGISTRATION RIGHTS AGREEMENT (Filed With SEC on December 29, 2011)

[] Shares U.S. Silica Holdings, Inc. COMMON STOCK, $0.01 PAR VALUE PER SHARE UNDERWRITING AGREEMENT (Filed With SEC on December 29, 2011)

INCENTIVE STOCK OPTION AGREEMENT PURSUANT TO THE 2011 INCENTIVE COMPENSATION PLAN * * * * * (Filed With SEC on August 29, 2011)

U.S. SILICA HOLDINGS, INC. 2011 INCENTIVECOMPENSATION PLAN ARTICLE I PURPOSE (Filed With SEC on August 29, 2011)

RESTRICTED STOCK UNIT AGREEMENT PURSUANT TO THE 2011 INCENTIVE COMPENSATION PLAN * * * * * (Filed With SEC on August 29, 2011)

STOCK APPRECIATION RIGHTS AGREEMENT PURSUANT TO THE 2011 INCENTIVE COMPENSATION PLAN * * * * * (Filed With SEC on August 29, 2011)

NONQUALIFIED STOCK OPTION AGREEMENT PURSUANT TO THE INCENTIVE COMPENSATION PLAN * * * * * (Filed With SEC on August 29, 2011)

RESTRICTED STOCK AGREEMENT PURSUANT TO THE 2011 INCENTIVE COMPENSATION PLAN * * * * * (Filed With SEC on August 29, 2011)

SECOND AMENDMENT TO THE ACQUISITION AGREEMENT (Filed With SEC on July 18, 2011)

FIRST AMENDMENT TO THE ACQUISITION AGREEMENT (Filed With SEC on July 18, 2011)

ACQUISITION AGREEMENT BY AND AMONG HARBINGER CAPITAL PARTNERS MASTER FUND I, LTD., HOURGLASS ACQUISITION I, LLC, PREFERRED UNLIMITED INC. (solely for the purpose of Section... (Filed With SEC on July 18, 2011)

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U.S. Silica Holdings, Inc. Contracts & Agreements