Supplement to ACATR EDS19980518OCS02 November 15, 2001 OC Systems Inc. (the client) hereby requests that the Ada Conformity Assessment Authority (ACAA) extend the certified status documented in the above-referenced Ada Conformity Assessment Test Report (ACATR) and in Ada Conformity Assessment Certificate (ACAC) A980605e2.1-022 to the implementation class(es) described in the following pages. Technical Contact: Oliver Cole 9990 Lee Highway, Suite 270, Fairfax, VA 22030 oec@ocsystems.com Approval: ________________________________ ________________ Ada Conformity Assessment Authority Date Implementation Class Information Implementation Class Category: Base Processor Identification: PowerAda 4.0 Host Systems: IBM RS/6000 model 7025-F50 under AIX 4.2 Target Systems: Motorola PowerStack MT 603-66 under LynxOS 2.4.0