The UniMark Group, Inc. (OTC Bulletin Board: UNMG) announced yesterday its financial results for the first quarter ended March 31, 2001. For the three months ended March 31, 2001, net sales decreased 28.5% to $10.3 million from $14.5 million in the 2000 quarter. Net loss for the 2001 quarter amounted to $1.3 million, or $0.09 per share, as compared to net income of $15,000, or $0.00 per share in the 2000 quarter; both periods per share amounts are on a basic and fully diluted basis.