GenCorp Inc.
(“GenCorp” or the “Company”) announced today that Charles F. Bolden, Jr. has
been elected to join its board of directors effective January 1, 2005. The
Company also announced that Robert A. Wolfe is resigning as a director
effective December 31, 2004.

Mr. Bolden has extensive military, National Aeronautics and Space
Administration (“NASA”) as well as private industry experience. He retired
from the U.S. Marine Corps as a Major General serving as the Commanding
General of the Third Marine Aircraft Wing. During Mr. Bolden’s 34-year
military career he served in a number of Marine Corps senior officer positions
including: Deputy Commanding General, 1MEF, Marine Forces, Pacific; Commanding
General, 1 MEF (FWD) for Operation Desert Thunder in Kuwait; and Deputy
Commander, U.S. Forces, Japan. He also spent 13 years as an astronaut and
space shuttle pilot, logging over 680 hours and flying four space missions
including the Discovery flight that successfully deployed the Hubble Space
Telescope and the Atlantis flight that was the first joint U.S./Russian space
shuttle mission. Mr. Bolden also served as Assistant Deputy Administrator for
NASA and Deputy Commandant of the U.S. Naval Academy. He has received a number
of military and NASA decorations.

After his retirement from the military in 2003, Mr. Bolden was named
president and chief operating officer of American PureTex Water Corporation
and PureTex Water Works. He is currently senior vice president of TechTrans
International, a company established to support the joint Russian/U.S. space
program providing Russian translation, interpretation, language training and
logistics services to the NASA Johnson Space Center.

Mr. Bolden, 58, lives in Houston, Texas. He received his masters in
systems management from the University of Southern California (USC), and a
bachelor’s degree from the U.S. Naval Academy. He is also a graduate of the
U.S. Naval Test Pilot School at Patuxent River, Md., and has received honorary
doctorates from several distinguished universities. He serves on the board of
directors of Marathon Oil Company and as a trustee of USC.

“Charles will be a great addition to our board,” said Terry Hall,
GenCorp’s chairman, president and chief executive officer. “His extensive
military and NASA experience, as well as his management and organizational
background, will be valuable assets for GenCorp as we continue to execute our
strategy of streamlining our Company and focusing on the growth of our
aerospace and defense segment.”

Mr. Bolden will be joining the board as an independent director, replacing
Robert Wolfe who has been a non-independent member of GenCorp’s board for 6
years. Mr. Wolfe has also served as president of Aerojet-General Corporation
and chairman, president and chief executive officer of GenCorp. “Bob has made
a significant contribution to the Company and this board,” said Mr. Hall.

About GenCorp

GenCorp is a leading technology-based manufacturer of aerospace and
defense products and systems with a real estate business segment that includes
activities related to the development, sale and leasing of the Company’s real
estate assets. Additional information about the Company can be obtained by
visiting the Company’s web site at .