Contact: Rudolph A. Lutterschmidt
         (610-834-9600)


                           FOR IMMEDIATE RELEASE



                                                    NOCOPI TECHNOLOGIES, INC.
                                                    9C PORTLAND ROAD
                                                    WEST CONSHOHOCKEN, PA 19428


NOCOPI TECHNOLOGIES, INC. ANNOUNCES A MAJOR LICENSING AGREEMENT WITH TWO LEADING
CHILDREN'S CONSUMER PRODUCTS COMPANIES.

WEST CONSHOHOCKEN, PA., APRIL 19, 2006, PR NEWSWIRE

Today Michael A. Feinstein, M.D., Chairman and CEO of NOCOPI TECHNOLOGIES, INC.
(OTC BULLETIN BOARD: NNUP), announced a multi-year major licensing agreement
with two established and leading children's consumer products companies with
proven track records of innovation and impressive distribution.

With products in a number of children's categories, these companies focus on
licensed and non-licensed products that create timeless brands that engage kids
of all ages. Products should be on shelves by January 2007.

"These are very exciting times for Nocopi," said Dr. Feinstein. "We are looking
forward to the development of products for children of all ages utilizing
Nocopi's ink and printing technologies to create a vast array of education and
entertainment products, which are creative and bottom line fun. To maintain a
competitive edge in the marketplace, we will announce more details about this
important project and the companies that we will be working with at a later
date."





NOCOPI TECHNOLOGIES, INC. is also in the business of developing solutions
against counterfeiting, product diversion, document security, and authentication
via patented technologies (including invisible inks, color changing inks,
reactive thread and document security paper products.)

FORWARD-LOOKING INFORMATION

The foregoing contains forward-looking information within the meaning of The
Private Securities Litigation Act of 1995. Such forward-looking statements
involve certain risks and uncertainties. Actual results may differ materially
from such forward-looking statements (a summary of which may be found in the
Company's Annual Report on Form 10-KSB for the year ended December 31, 2005
under the caption "Risk Factors"). The Company does not undertake to publicly
update or revise its forward-looking statements even if experience or further
changes make it clear that any projected results (expressed or implied) will not
be realized.