Please note that some of the freeware on UBCD explicitly prohibits redistribution for commercial purposes eg. The least you could do is to make as many copies of the offical UBCD and pass it to your friends, relatives, colleagues or even complete strangers to minimize the per unit cost of your loss! If you had somehow paid a ridiculous amount of money for it, you have most likely been fleeced.
Ultimate Boot CD is completely free for the download, or could be obtained for a small fee.