SUPPLEMENTAL AGREEMENT
between the

UNION PACIFIC RAILROAD COMPANY
Ogden Union Railway & Depot Company
Spokane International Railroad

and the

UNITED TRANSPORTATION UNION (C) , (T) & (S)

The signatory parties hereto agree that Section 4, PART THREE, of the Crew Consist Agreement signed at Boise, Idaho, September 9, 1980 (to become effective September 15, 19SG) , is hereby amended and changed to read as follows; and shall henceforth constitute a substituted provision of that Agreement:

"Section 4. The parties to this Agreement shall not serve nor progress, prior to the attrition of all protected employes, any notice or proposal for changing the provisions of this Agreement governing (1) pure attrition, (2) protected employes, (3) car limits and train lengths, (4) special allowance payments to reduced crew members, and (5) employe productivity fund deposits. '

"This Section.will not bar the parties from • making changes in the above provisions by mutual agreement.

"Section 5. This Agreement shall be construed as a separate Agreement by and on behalf of each of the listed Carriers and their employes represented by the Organization signatory hereto. It shall be effective September 15, 1980 and, except for the exclusions set forth above, will continue in effect until revised or amended by Agreement of the parties, or in accordance with the Railway Labor Act, as amended, and will supersede all . • other agreements, rules and/or practices which are in conflict herewith."

Signed at Las Vegas, Nevada, this 9th day of October, 1980.