4.1.21 Modification of Contract Specifications

The Exchange may modify Contract Specifications in response to market developments. In the event of such modification the Exchange shall provide its Members with no less than two (2) weeks' prior notice before any modification to Contract Specifications takes effect. For the avoidance of doubt, modifications to the calculation of the Final Settlement Price, Price Limits, position limits, accumulation of positions and delivery obligations set forth in any Contract Specifications shall be subject to public consultation and rule amendment procedures as contemplated in the Act.