EXHIBIT 99.4

                                  PRESS RELEASE

PLANET POLYMER TECHNOLOGIES, INC. ANNOUNCES AGREEMENT WITH ALLERGY FREE TO
COMBINE COMPANIES, YEAR ENDED DECEMBER 31, 2003 FISCAL RESULTS AND AGWAY SALE OF
LICENSING RIGHTS TO BASF AND ALLTECH

                  San Diego, CA-March 22, 2004-On March 18, 2004, Planet Polymer
Technologies, Inc. (OTC BB: POLY.OB) a San Diego advanced materials company
("Planet") and Allergy Free, LLC, a California limited liability company
("Allergy Free"), jointly announced entering into an Asset Purchase Agreement in
which Planet will acquire substantially all of the assets of Allergy Free and
assume certain of the liabilities of Allergy Free, for which Planet will issue a
subordinated convertible note not to exceed approximately $2.8 million and not
less than 28,193,900 shares of Common Stock in Planet.

                  Planet also announced its plan to distribute to a trustee for
the benefit of Planet shareholders of record as of April 15, 2004, the right to
receive all royalties payable to Planet pursuant to the Sale and Licensing
Agreements between Planet and Agway, Inc., relating to Planet's FreshSeal(R) and
Optigen(R) technology and the Purchase, Sale and License Agreement between
Planet and Ryer Enterprises, LLC, relating to Planet's AQUAMIM(R) technology.
Planet has been advised by Agway, that Agway has sold its rights to the
FreshSeal(R) and Optigen(R) technologies to BASF and Alltech, respectively.

                  The combination with Allergy Free and planned distribution to
shareholders are subject to a number of conditions set forth in the Agreement
including approval of Planet shareholders. Following completion of the
combination Scott L. Glenn will lead the Company in the role of President and
Chief Executive Officer.

                  H. Mac Busby, the President and Chief Operating Officer of
Planet stated, "The combined acquisition of Allergy Free and the spin-off of
license royalties will allow shareholders to participate in the upside of both
facets of the business." Scott L. Glenn noted that "by integrating into the
Planet structure we will be able to aggressively execute our strategy of
acquisition and internal growth of our allergy and asthma products."

         Planet also reported revenues for the year ending December 31, 2003 of
$175,082 and a loss from operations of $220,174 compared to revenues of $162,073
and a loss from operations of $695,489 in 2002. Planet recognized a gain on sale
of assets related to its technology resulting in a net profit for 2003 of
$71,308 compared to a net loss of $666,650 for the same period of 2002. For the
year ended December 31, 2003 profit per share was $0.01, compared to a loss of
$0.07 in 2002.

         For further information contact Scott L. Glenn at (858) 456-2252 or H.
Mac Busby at (619) 291-5694.



                  Except for the historical information contained herein, this
news release contains forward-looking statements which involve risks and
uncertainties, including the risk that actual results could differ materially
from the results that may be indicated by such forward-looking statements.
Factors that could cause or contribute to such differences include, but are not
limited to, the market acceptance of new products and technologies, and market
conditions as well as other risks detailed from time to time in Planet Polymer's
SEC reports, including the report on Form 10-KSB for the year ended December 31,
2002.