	cargill official defends certificate programs the use of generic in kind commodity certificates has helped ease storage problems and is a necessary part of export promotion programs a senior executive for the world s largest  company said testifying before the house agriculture subcommittee on wheat soybeans and feeds robbin johnson vice president of cargill inc disputed claims that u s  companies have made huge profits from certificate trading the certs program is not in any way a windfall to the trade he said johnson said that cargill has been dealing with a two pct spread in certificate transactions and that this is within the normal  marketing levels johnson recognized current concern over the cost of certificates as compared to cash but said that critics need to look more closely at the savings caused by certs noting for example that widespread use of certs in the pik and roll marketing technique last summer helped ease storage costs certificates are also an important part of any export promotion program he said the more you look at ways to expand export markets the more you have to look at ways to expand certs to put more  into the market to meet demand he said subcommittee chairman dan glickman d kans said his committee would be looking at the certificate program later this year and studying the general accounting office report on certificate costs reuter 
