8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): February 15, 2006

Mercury Interactive Corporation

(Exact name of registrant as specified in its charter)

Delaware	0-22350	77-0224776
(State or other jurisdiction of incorporation)	(Commission File No.)	(IRS Employer Identification No.)

379 North Whisman Road, Mountain View, California 94043

(Address of Principal Executive Offices)

(Registrant’s Telephone Number, Including Area Code)

(650) 603-5200

(former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Solicitation material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 241.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 5.02. Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.

On February 15, 2006, Joseph Costello accepted his election by the Board of Directors of Mercury Interactive Corporation (the “Company”) as a member of the Company’s Board of Directors.

A copy of the press release issued by the Company on February 22, 2006 announcing the election of Mr. Costello to the Board of Directors is furnished as Exhibit 99.1 to this Current Report.

Item 9.01. Financial Statements and Exhibits.

The following exhibit is furnished herewith:

    99.1        Press release dated February 22, 2006

This exhibit is furnished with this Current Report on Form 8–K and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, and is not incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Securities Exchange Act of 1934, whether made before or after the date of this report and irrespective of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: February 22, 2006	MERCURY INTERACTIVE CORPORATION
	By:	/s/ Anthony Zingale
	Name:	Anthony Zingale
	Title:	Chief Executive Officer

EXHIBIT INDEX

Exhibit No.	Description
99.1	Press release dated February 22, 2006

EX-99.1

Exhibit 99.1

Contacts:

Robin Stoecker

Public Relations

(650) 603-5854

rstoecker@mercury.com

Michelle Ahlmann

Investor Relations

(650) 603-5464

mahlmann@mercury.com

For Immediate Release

MERCURY APPOINTS JOSEPH COSTELLO TO BOARD OF DIRECTORS

Former Cadence CEO, think3 Chairman and CEO Joins Mercury Board of Directors

MOUNTAIN VIEW, CALIF. – February 22, 2006 – Today, Mercury Interactive Corporation (OTC: MERQ), the global leader in business technology optimization (BTO) software, announced that it has appointed Joseph (“Joe”) Costello to its board of directors.

For more than a decade, Joe Costello served as president and CEO of Cadence Design Systems, Inc. where he built it from a start up into a billion dollar software company. Under Costello’s leadership, Cadence became a leading supplier of electronic design automation (EDA) software and services and one of the top ten largest software suppliers in the world. Costello is currently the chairman and CEO of think3. Since joining think3 in 1998, Costello has led the company to become one of the most innovative product design and development companies in the product lifecycle management (PLM) industry.

“Joe’s deep experience and proven track record of success at high-growth companies will be an invaluable addition to Mercury,” said Tony Zingale, president and CEO at Mercury. “Expanding our board with a seasoned professional like Joe helps round out the right mix of professional leadership, industry innovation, and governance expertise on our board.”

“Mercury is fast becoming a strategic partner to CIOs worldwide,” said Joe Costello. “I am excited to join the Mercury Board of Directors and help Mercury execute on its large, long-term market opportunity.”

ABOUT MERCURY

Mercury Interactive Corporation (OTC: MERQ), the global leader in business technology optimization (BTO) software, is committed to helping customers optimize the business value of information technology. Founded in 1989, Mercury conducts business worldwide and is one of the largest enterprise software companies today. Mercury provides software and services for IT Governance,

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Application Delivery, and Application Management. Customers worldwide rely on Mercury offerings to govern the priorities, processes and people of IT and test and manage the quality and performance of business-critical applications. Mercury BTO offerings are complemented by technologies and services from global business partners. For more information, please visit http://www.mercury.com

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Mercury and the Mercury logo are trademarks of Mercury Interactive Corporation and may be registered in certain jurisdictions.

All other company, brand and product names may be trademarks or registered trademarks of their respective holders.

MERCURY

www.mercury.com

379 North Whisman Road

Mountain View, California 94043

Tel: (650) 603-5200

Fax: (650) 603-5300