Irrevocable Proxy

The undersigned holder (the "Holder") of __________ shares of common stock (the
"Shares") of Pharma-Bio Serv, Inc., a Delaware corporation (the "Company"),
solely in his/its capacity as a holder of securities of the Company, hereby
irrevocably appoints Elizabeth Plaza, as the sole and exclusive attorney and
proxy of the Holder, with full power of substitution and resubstitution, to vote
and exercise all voting, consent and similar rights with respect to all of the
Holder's Shares, until the Expiration Date (as defined below), on the terms and
conditions specified below. Upon the Holder's execution of this Irrevocable
Proxy, any and all prior proxies given by the Holder with respect to any of the
Holder's Shares are hereby revoked and the Holder agrees not to grant any
subsequent proxies with respect to any of the Holder's Shares until after the
Expiration Date.
 
This Irrevocable Proxy is irrevocable, is coupled with an interest sufficient in
law to support an irrevocable power made for the benefit of third parties.
 
The term of this Irrevocable Proxy shall commence on the date (the
"Certification Date") the Company obtains a National Minority Supplier
Development Council Minority-Controlled Certification with respect to 2008
("Certification") and shall terminate on the "Expiration Date". As used herein,
the term "Expiration Date" shall mean the first anniversary date of the
Certification Date unless the Certification expires sooner in which event the
Expiration Date shall be the date the Certification expires. Notwithstanding the
foregoing, this Irrevocable Proxy shall not be effective unless and until the
closing occurs under the Securities Purchase Agreement dated December 2007 by
and among Elizabeth Plaza and the sellers listed on Exhibit A thereto.
 
The attorney and proxy named above is hereby authorized and empowered by the
Holder, at any time prior to the Expiration Date, to act as the Holder's
attorney and proxy to vote the Holder's Shares, and to exercise all voting,
consent and similar rights of the Holder with respect to the Holder's Shares
(including, without limitation, the power to execute and deliver written
consents) at every annual, special or adjourned meeting of stockholders of the
Company and in every written consent in lieu of such meeting.
 
Any obligation hereunder of the Holder shall be binding upon the successors and
assigns of the Holder. This Irrevocable Proxy shall terminate, and be of no
further force or effect, automatically upon the Expiration Date.
 
IN WITNESS WHEREOF, the undersigned Holder has caused this Irrevocable Proxy to
be executed as of July 11, 2008.
 

 
Holder:

Name:

By:_____________________________________
Name:
Title:

 
 

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