EXHIBIT 7.1
JOINT FILING AGREEMENT
This Joint Filing Agreement, dated as of February 9, 2007, is by and
between Xxxxxxx Xxxx, an individual, and Sherbrooke Partners, LLC, a Delaware
limited liability company (together, the "Joint Filers").
Each of the Joint Filers may be required to file with the United
States Securities and Exchange Commission a statement on Schedule 13D with
respect to shares of common stock, $0.01 par value, of Sontra Medical
Corporation, a Minnesota corporation, beneficially owned by them from time to
time.
Pursuant to Rule 13(d)(1) promulgated under the Securities Exchange
Act of 1934, as amended, the parties hereby agree to file a single statement on
Schedule 13D (and any amendments thereto) on behalf of each of the parties, and
hereby further agree to file this Joint Filing Agreement as an exhibit to such
statement, as required by such rule.
This Joint Filing Agreement may be terminated by either of the Joint
Filers upon one week's prior written notice or such lesser period of notice as
the Joint Filers may mutually agree.
Executed and delivered as of the date first above written.
/s/ Xxxxxxx Xxxx
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Xxxxxxx Xxxx, individually
SHERBROOKE PARTNERS, LLC
By: /s/ Xxxxxxx Xxxx
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Xxxxxxx Xxxx, its managing member
