ROSETTA RESOURCES INC. EXECUTIVE SEVERANCE PLAN

ROSETTA RESOURCES INC. EXECUTIVE SEVERANCE PLAN

This Rosetta Resources, Inc. Executive Severance Plan (the “ Plan ”), is effective as of July 1, 2008 (the “ Effective Date ”).

WHEREAS, Rosetta Resources Inc. (the “ Employer ”), wishes to employ certain individuals in executive level positions;

WHEREAS, it is the intent of the Employer that the Plan shall constitute an unfunded severance plan, and to the extent applicable, an unfunded nonqualified deferred compensation arrangement; and

WHEREAS, in order to retain the services of such individuals, the Employer desires to provide certain severance benefits as provided herein;

NOW, THEREFORE, the Employer hereby establishes the Plan as follows:

As used in this Plan, the following terms have the following meanings:

(a)                “Affiliate” means, with respect to any entity, any other corporation, organization, association, partnership, sole proprietorship or other type of entity, whether incorporated or unincorporated, directly or indirectly controlling or controlled by or under direct or indirect common control with such entity.

(b)            “Base Salary” means the amount of Executive’s regular annual salary, paid periodically and not based on performance, as reflected in the Employer’s payroll records.

(c)            “Board” means the Board of Directors of the Employer.

(d)            “Cause” means a finding by the Committee of acts or omissions while employed by the Employer, constituting, in the Committee’s sole discretion, (i) a breach of duty by Executive in the course of Executive’s employment involving fraud, acts of dishonesty (other than inadvertent acts or omissions), disloyalty to Employer or its Affiliates, or moral turpitude constituting criminal felony; (ii) conduct by Executive that is materially detrimental to Employer, monetarily or otherwise, or reflects unfavorably on Employer or Executive to such an extent that Employer’s best interests reasonably require the termination of Executive’s employment; (iii) Executive’s failure to comply with or enforce Employer’s policies concerning equal employment opportunity, including engaging in sexually or otherwise harassing conduct; (iv) Executive’s repeated insubordination; (v) Executive’s failure to comply with or enforce, in any material respect, all other personnel policies of Employer or its Affiliates; (vi) Executive’s failure to devote Executive’s full working time and best efforts to the performance of Executive’s responsibilities to Employer or its Affiliates; (vii) Executive’s conviction of, or entry of a plea agreement or consent decree or similar arrangement with respect to a felony or any violation of federal or state securities laws; or (viii) Executive’s failure to cooperate with any investigation or inquiry authorized by the Committee or conducted by a governmental authority related to the business or Executive’s conduct.

(e)            “Code” means the Internal Revenue Code of 1986, as amended.

(f)            “Committee” means the Compensation Committee of the Board of Directors.

(g)            “Covered Termination” means: (1) the termination of an Executive’s employment with the Employer for any reason other than death, Inability to Perform, or for Cause; or (2) the resignation of the Executive from such employment with Good Reason.

(h)            “Eligible Executive” means an Executive who has experienced a Covered Termination.

(i)             “Employment Termination Date” means the effective date of termination of Executive’s employment pursuant to Employer policies and applicable law.

(j)             “Executive” means an individual employed by the Employer in the position of Vice President or higher, who has been designated by the Committee to be eligible to participate in the Plan, or who has accepted a written offer of employment which includes eligibility for participation in this Plan, and who commences employment in such position and capacity as a full time employee of the Employer.  A list of all individuals designated as Executives at any given time shall be appended as Appendix A to the Plan.  Once designated on Appendix A as an Executive under the Plan, such Executive shall remain so designated and shall continue to be an Executive hereunder until the earliest to occur of (i) the date on which such Executive is removed from Appendix A by action of the Committee or by the Board, (ii) such Executive’s termination of employment for any reason, or (iii) the death of the Executive.

(k)            “Good Reason” means any of the following actions if taken without Executive’s prior written consent: (i) following the designation of an Executive by the Compensation Committee on Appendix A to the Plan, any reduction of the multiple or percentage applicable to an Executive, or removal of Executive, through a subsequent amendment to Appendix A to the Plan, (ii) a material diminution in Executive’s base compensation; or (iii) any permanent relocation of Executive’s place of business to a location 50 miles or more from the then-current location, provided such relocation is a material change in geographic location at which Executive must provide substantial services for purposes of Section 409A.  Neither a transfer of employment among Employer and any of its Affiliates, a change in the co-employment relationship, nor a mere change in job title constitutes “Good Reason.”  To exercise the right hereunder to terminate for Good Reason, Executive must provide Notice of Termination to Employer of his belief that Good Reason exists within 60 days of the initial existence of the Good Reason condition, and that notice shall describe the condition(s) believed to constitute Good Reason.  Employer shall have 30 days to remedy the Good Reason condition(s).  If not remedied within that 30-day period, Executive may submit a Notice of Termination; provided, however, that the Notice of Termination invoking Executive’s right to terminate his employment for Good Reason must be given no later than 100 days after the date the Good Reason condition first arose; otherwise, Executive is deemed to have accepted the condition(s), or the Employer’s correction of such condition(s), that may have given rise to the existence of Good Reason.

(l)             “Inability to Perform” means and shall be deemed to have occurred if Executive has been determined under Employer’s long-term disability plan to be eligible for long-term disability benefits.  In the absence of Executive’s participation in, application for benefits under, or existence of such a plan, “Inability to Perform” means a finding by the Committee in its sole discretion that Executive is, despite any reasonable accommodation required by law, unable to perform the essential functions of Executive’s position because of an illness or injury for (i) 60% or more of the normal working days during six consecutive calendar months or (ii) 40% or more of the normal working days during twelve consecutive calendar months.

(m)            “Notice of Termination” means a written notice that shall (i) indicate the specific termination provision in this Plan relied upon; (ii) in the case of a termination for Inability to Perform, Cause, or Good Reason, set forth in reasonable detail the facts and circumstances claimed to provide a basis for termination of Executive’s employment under the provision invoked; and (iii) if the termination is by Executive for Good Reason, or by Employer for any reason, specify the Employment Termination Date.  The failure by Employer or Executive to set forth in the Notice of Termination any fact or circumstance that contributes to a showing of Cause or Good Reason shall not waive any right of Employer or Executive or preclude either of them from asserting such fact or circumstance in connection with a claim or appeal for benefits under this Plan.

(n)            “Section 409A” means Section 409A of the Code and the regulations promulgated thereunder, and any other applicable Treasury guidance, as in effect at the time any payment or other action is to be taken under this Plan.

(o)            “Separation Agreement” means a general release agreement in a form acceptable to Employer which is not revoked by Eligible Executive prior to the date it becomes effective.

Executives under this Plan shall be employed on an at-will basis, to the maximum extent permitted by applicable law.  This Plan shall not, and shall not be construed or interpreted as, creating a contract of employment with any person.

(a)            Termination of Employment for Any Reason .  If Executive’s employment is terminated, Employer shall pay to Executive (or in the case of death of Executive, to such person as Executive shall designate in a written notice to Employer