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FOR IMMEDIATE RELEASE

CONTACT:          Erich Stegich
                  Director of Communications
                  Telephone:  (631) 951-7209
                  Fax: (631) 951-7955
                  Email: estegich@mecnet.com


MANCHESTER TECHNOLOGIES,  INC. ANNOUNCES RESIGNATION OF ROBERT J. VALENTINE FROM
ITS BOARD OF DIRECTORS; ELECTION OF DR. YACOV A. SHAMASH TO FILL VACANCY

HAUPPAUGE, NEW YORK - December 19, 2003 - Manchester Technologies,  Inc. (NASDAQ
NM:  MANC),  a leading  computer  and  network  solutions  provider  and display
technology  distributor,  announced  today that Robert J. "Bobby"  Valentine has
resigned from it Board of Directors, and the Board has elected Dr. Yacov Shamash
to fill the vacancy that was created by Mr. Valentine's resignation. Dr. Shamash
is the Dean of the  College of  Engineering  and  Applied  Sciences at the State
University of New York campus at Stony Brook.

"We are sorry that Mr.  Valentine's  new  position in Japan has  resulted in his
having to resign from our Board. His presence and contributions  will be missed,
and we wish  him the  best of luck as  Manager  of the  Lotte  Marines  Japanese
baseball  team,"  said Barry  Steinberg,  CEO of  Manchester.  "However,  we are
extremely  pleased and fortunate to have Dr. Shamash join our Board,"  continued
Mr.  Steinberg.  "Dr.  Shamash has a very  strong  technology  background,  is a
director  of  other  successful  technology  companies  and we look  forward  to
benefiting from the insight he will bring to our Board."

Prior to joining SUNY Stony Brook in 1992, Dr. Shamash served as the Chairman of
the  Electrical  and  Computer   Engineering   Department  at  Washington  State
University   and  developed  and  directed  the  National   Science   Foundation
Industry/University Cooperative Research Center for the Design of Analog/Digital
Integrated  Circuits.  Dr.  Shamash is a member of the Board of Directors of Key
Tronic Corporation and American Medical Alert Corp. He also serves on the Boards
of  numerous  not-for-profit  organizations,   such  as  the  Long  Island  High
Technology  Incubator  (LIHTI),  the Long Island Forum for Technology (LIFT) and
the Long Island Software Technology Network (LISTnet).

Dr.  Shamash  received  his  undergraduate  and graduate  degrees from  Imperial
College of Science and Technology in London,  England, and has authored over 110
technical publications.


About Manchester Technologies, Inc.

Manchester Technologies, Inc. is a single-source solutions provider specializing
in hardware and software  procurement,  display  technology,  custom networking,
security, IP telephony, remote management,  application  development/e-commerce,
storage,  enterprise  and Internet  solutions.  Manchester  offers its customers
single-source  solutions  customized  to  their  information  systems  needs  by
integrating  its analysis,  design and  implementation  services with  hardware,
software, networking products and peripherals from leading vendors. In addition,
Manchester  offers a complete line of products and  peripherals  for  customers'
display  technology  requirements.  More  information  about the  Company can be
obtained     by     visiting     the     Company's     website     located    at
http://www.e-manchester.com


Statement Under the Private Securities Litigation Reform Act

This press release  includes  information  that may  constitute  forward-looking
statements  within the meaning of the federal  securities  laws.  All statements
other than statements of historical fact, including,  without limitation,  those
with respect to Manchester Technologies, Inc.'s objectives, plans and strategies
set forth  herein and those  preceded by or that  include the words  "believes,"
"intends,"  "expects," "will," "plans,"  "anticipates," or similar  expressions,
are forward-looking  statements.  These forward-looking statements speak only as
of the date of this  press  release.  Manchester's  actual  results  may  differ
materially from the results  discussed herein as a result of a number of unknown
factors,  including,  without  limitation,  the risks set forth in  Manchester's
Annual Report on Form 10-K for the year ended July 31, 2003, and those set forth
from time to time in Manchester's other filings with the Securities and Exchange
Commission.  Manchester  assumes no obligation to update any of the  information
referenced in this press  release.  These  documents  are available  through the
Company,  or through the Securities and Exchange  Commission's  Electronic  Data
Gathering Analysis and Retrieval system (EDGAR) at www.sec.gov.