Laval, Quebec CANADA, September 7, 2005 - Neptune Technologies & Bioressources Inc. (TSX-VX: NTB), active in the field of high value-added natural product extraction from marine biomasses, such as krill, is pleased to announce that Neptune Krill Oil, NKO™, will be featured by IdeaSphere (Twinlab), at the Expo East Conference that takes place in Washington, DC, September 16-19, 2005.

Recognizing the exceptional health benefits of NKO™ and appreciating the science that validates them, NKO™ is once again featured as the star product by IdeaSphere (Twinlab), one of the largest North American
companies in the Natural Medicine Industry. On September 17th, NKO™ will be presented at booth #147B
from 14:30 to 15:30, by Dr. Tina Sampalis, Vice-President of Research/Business & Development at Neptune
Technologies & Bioressources Inc., entitled “The Next Generation Source of Omega-3" - Nature's Answer for
PMS, Cholesterol, and Joint Disease”. NKO™ will also be featured at the Deborah Ray Radio show at 13:20 to 13:30, booth #2966. A one hour book signing session is organized at 15:30.

‘‘This is a tremendous opportunity and achievement for Neptune’s NKO™; it strongly re-enforces our position
in the market place’’, commented Dr. Tina Sampalis. ‘‘Thus partnering with one of the largest mass market
distribution leaders will significantly increase our exposure and sales,’’ added Dr. Tina Sampalis.

Twinlab is a wholly owned subsidiary of Michigan-based IdeaSphere Inc., a leader in healthy living solutions
for today’s natural products consumers. It is an integrated provider of health and natural food supplements and
is the owner of Rebus LLC, a leader in science-based publishing for the wellness sector. The Twinlab™ brand
has represented the pinnacle of dietary supplements for over 35 years, and Twinlab™ products are available in
health and natural food retail stores throughout the country.

This press release is available on the Company's on-line Investor Relations site for investor commentary,
feedback and questions. Investors are invited to visit http://www.agoracom.com and select the Neptune
Technologies Information and Contact Forum, or link directly to it at http://www.agoracom.com/ir/neptune
Investors are also invited to e-mail any questions regarding the Company directly to NTB@AGORAcom.com
Potential investors may also use this address to request being added to the Neptune Technologies investor email
list: About Neptune Technologies & Bioressources. http://www.neptunebiotech.com

Neptune Technologies & Bioressources Inc. exploits, with its patented extraction process (Neptune
OceanExtract™), underexploited marine biomasses, such as krill, and develops high value added nutritional
products. Due to its technologies, Neptune Technologies & Bioressources Inc. is strategically well positioned
in the $182 billion global nutrition market (Nutrition Business Journal, Oct/Nov 2004) of health and wellness
concepts, markets in which natural biomass extraction is now playing an important role in developing
nutrigenomics, the next wave in nutritional research.

The stock Exchange has not reviewed and does not accept responsibility for the adequacy and accuracy of this
news release.