North American Scientific Inc. Announces 3-for-2 Stock Split

Business Wire, April 9, 1998

NORTH HOLLYWOOD, Calif.--(BUSINESS WIRE)--April 9, 1998--North American Scientific Inc. (Nasdaq:NASI) Thursday announced that its board of directors approved a 3-for-2 split of its common stock.

The stock spilt will be in the form of a 50 percent stock dividend. Certificates reflecting the additional shares will be distributed on or about April 30, 1998, to stockholders of record on April 20, 1998. The stock dividend will increase the number of shares of common stock outstanding to approximately 6.4 million shares.

L. Michael Cutrer, president and chief executive officer, said, "With the recent release of our Iodine-125 brachytherapy sources for treatment of prostate cancer we have seen a significant increase in the trading activity of the company's shares.

"The stock split demonstrates our confidence in the continued growth of our company and our desire to enhance the liquidity of trading in North American Scientific shares."

North American Scientific manufactures and markets a broad line of low-level radioactive sources and standards for medical therapeutic, scientific and industrial uses. -0-

Statements included here that are not historical facts may be considered forward-looking statements that are subject to a variety of risks and uncertainties.

There are a number of important factors that could cause actual results to differ materially from those expressed in any forward-looking statements made by the company, including the risk factors included in the company's Annual Report on Form 10-KSB for the fiscal year ended Oct. 31, 1997, and other factors identified from time to time in the company's filing with the Securities and Exchange Commission.

CONTACT: North American Scientific Inc., North Hollywood

Paul Gropman, 818/591-6743