IMMUCELL REPORTS PROFIT FOR FIRST QTR OF 2003.

ImmuCell Corporation (NASDAQ: ICCC), Portland, Maine, has announced the results of its operations for the three months ended March 31, 2003.

During the three months ended March 31, 2003, total revenues decreased by 41%, or $769,000, to $1,127,000, and product sales decreased by 43%, or $763,000, to $1,016,000, as compared to the same period in 2002. In the fourth quarter of 2002, the company accepted a payment of $930,000 in consideration for the early termination, effective October 1, 2002, of a license to a product that had generated sales of $727,000 during the three months ended March 31, 2002.

Income before taxes increased by 311%, or $892,000, to $1,179,000 during the three months ended March 31, 2003, as compared to $287,000 during the same period in 2002. In March 2003, the company recognized $1,100,000 in other income from the sale of its interest in a joint venture that manufactures and sells lactoferrin in the human nutritional market. This income accounts for most, but not all, of the quarterly profit. After deducting direct selling expenses from its gross margin, the product that had been sold under the terminated license, described above, contributed $96,000 to income before taxes during the three months ended March 31, 2002. Net income of $701,000, or $0.25 per diluted share, during the three months ended March 31, 2003, increased by 315%, or $532,000, from $169,000, or $0.06 per diluted share, during the same period in 2002.

"During the last two quarters, we have closed three transactions that have added approximately $2,430,000 in cash to our balance sheet," commented Michael F. Brigham, president and CEO. "We move forward focused on maintaining and growing sales and profitability from proprietary products, while investing aggressively in the development of our Nisin-based mastitis treatment product, Mast Out(TM)."

During the three months ended March 31, 2003, research and development expenses increased by 58%, or $116,000, to $316,000, comprising 28% of total revenues in 2003. Grant income increased by 17%, or $12,000, to $81,000 in 2003, as compared to the same period in 2002. During the first quarter of 2003, the company invested approximately $104,000 in significant, outside laboratory expenses relating to the development of its Nisin-based mastitis treatment product in preparation for a clinical trial scheduled to begin later this year.

The company's cash and short-term investments increased by 39%, or $1,230,000, to $4,373,000 at March 31, 2003, as compared to $3,143,000 at December 31, 2002. Stockholders' equity increased by 10%, or $701,000, to $7,656,000 at March 31, 2003, as compared to $6,955,000 at December 31,

ImmuCell Corporation is a biotechnology company dedicated to benefiting its employees and shareholders through the development, manufacture and sales of innovative and proprietary products that improve animal health and productivity in the dairy and beef industry.

For more information, visit http://www.ImmuCell.com or call 207/878-2770, ext. 3106.