Electrograph Holdings, Inc. – Underwriting Agreements Watch

from SC 13D/A 1 page Cusip No. 562398107 Schedule 13d Page 9 of 9 Pages - Exhibit 1 Joint Filing Agreement Pursuant to Rule 13d-1(k)(1) in Accordance With Rule 13d-1(k)(1) Under the Securities Exchange Act of 1934, as Amended, the Undersigned Agree to the Joint Filing on Behalf of Each of Them of the Statement of Beneficial Ownership on Schedule 13d (And Any Further Amendment Filed by Them) With Respect to the Common Stock, Par Value $0.01 Per Share, of Manchester Technologies, Inc. Dated: August 3, 2005 Electrograph Holdings, Inc. By: /S/ Frederick J. Iseman Name: Frederick J. Iseman Title: President Electrograph Investment Holdings, Inc. By: /S/ Frederick J. Iseman Name: Frederick J. Iseman Title: President Caxton-Iseman (Electrograph), L.P. By: Golconda Holdings, Inc. Its General Partner By: /S/ Frederick J. Iseman Name: Frederick J. Iseman Title: President Golconda Holdings, Inc. By: /S/ Frederick J. Iseman Name: Frederick J. Iseman Title: President /S/ Frederick J. Iseman Frederick J. Iseman