POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENT, that the under- signed hereby constitutes and appoints John R. Funke, Patrick J. Moore and James E. Terrill, each with full power to act without the others as his true and lawful attorneys-in-fact and agents with full power of substitu- tion and resubstitution for him and in his name, place and stead, in any and all capacities, (i) to sign any and all post-effective amendments to the Registration State- ment on Form S-1 (file no. 33-31212) (the 'Subordinated Debt Registration Statement') of Container Corporation of America ('CCA'), as co-registrant, and Jefferson Smurfit Corporation (U.S.) ('JSC'), as co-registrant, to be filed under the Securities Act of 1933, as amended, with re- spect to the subordinated notes issued by CCA and guaran- teed by JSC, (ii) to sign any and all post-effective amendments to the Registration Statement on Form S-2 (file no. 33-58348) (the '1993 Note Registration State- ment') of Container Corporation of America ('CCA'), as co-registrant, and Jefferson Smurfit Corporation (U.S.) ('JSC'), as co-registrant, to be filed under the Securi- ties Act of 1933, as amended, with respect to the senior notes issued in 1993 by CCA and guaranteed by JSC, and (iii) to file any post-effective amendments to the Subor- dinated Debt Registration Statement and the 1993 Note Registration Statement, in each case, together with all exhibits thereto and other documents in connection there- with, with the Securities and Exchange Commission and such other state and federal government commissions and agencies as may be necessary, granting unto said attor- neys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as he might or could do in person, hereby ratifying and con- firming all that said attorneys-in-fact and agents, or their or his substitute or substitutes, lawfully do or cause to be done by virtue hereof. /s/ James R. Thompson ---------------------------- Signature James R. Thompson ---------------------------- (Print Name) August 31, 1994