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PET DRX CONFIRMS FINAL SHARE EXHANGE RATIO

SAN JOSE, California – January 14, 2008 – Pet DRx Corporation (“Pet DRx” or the “Company”) (OTCBB: EHHA; EHHAW; EHHAU), a provider of veterinary primary care and specialized services to companion animals, today announced that, as disclosed in its Current Report on Form 8-K filed on January 10, 2008, the final exchange ratio for the merger consideration payable to former stockholders of XLNT Veterinary Care, Inc. (“XLNT”) is 0.771 per XLNT share. Thus, each issued and outstanding share of XLNT will be exchanged for 0.771 of a share of Pet DRx. Outstanding options, warrants and convertible securities issued by XLNT will be entitled to receive upon exercise or conversion, shares of Pet DRx calculated at the same exchange ratio.

After giving effect to the exchange of shares of Pet DRx for XLNT shares and the 1,361,573 shares that were validly tendered for conversion into a pro rata portion of the trust fund established in connection with the Company’s initial public offering, Pet DRx had 23,511,969 shares of common stock issued and outstanding as of January 10, 2008.

The merger between Echo Healthcare Acquisition Corp. (“Echo”), a blank check company, and XLNT, a private company was completed on January 4, 2008. In connection with the merger, Echo changed its name to Pet DRx Corporation.


About Pet DRx Corporation

Pet DRx, a provider of veterinary primary care and specialized services to companion animals through a network of fully-owned veterinary hospitals, was formed through the merger of Echo Healthcare Acquisition Corp., a blank check company, and XLNT Veterinary Care, Inc. Pet DRx currently owns and operates 26 veterinary hospitals in the state of California, with approximately 800 employees.

Safe Harbor Statement

Certain matters discussed in this press release, including statements as to the expected benefits of the combination of the two companies, future product and service offerings and expected synergies, are forward-looking statements. These forward-looking statements are subject to risks and uncertainties that may cause actual results to differ materially, including, but not limited to, the ability to successfully integrate the two companies and achieve expected synergies following the merger, the ability of the Company to successfully acquire, integrate and operate veterinary hospitals and clinics, requirements or changes affecting the businesses in which the Company is engaged, veterinary services trends, including factors affecting supply and demand, dependence on acquisitions for growth, labor and personnel relations, changing interpretations of generally accepted accounting principles and other risks detailed from time to time in the Company’s SEC reports, including its Form 10-K and 10-Q filings and Form S-4 Registration Statement. These forward-looking statements speak only as of the date hereof. The Company disclaims any intention or obligation to update or revise any forward-looking statements.

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