Holder agrees to extend the payment of $_____ of the note of $_____ for _________ years from [Date], until [Date], so long as maker shall promptly pay interest on the note from [Date], at the rate of _________ percent per year, payable _________ at the place in the note mentioned, and shall further keep and perform all and singular the covenants and agreements in the note and trust deed contained.

And maker agrees to and accepts the extension upon the conditions stated above, and has executed _________ interest notes or coupons of $_____ each, evidencing and securing the interest on the note for the time of such extension, and agrees that in case of default in the payment of any one of the interest payments, and in case of a failure to keep and perform any one of the covenants and agreements in the note and trust deed contained, this agreement shall at once become void at the option of holder, and the note of $_____ shall at once become due and payable, and may be collected without notice, together with the accrued interest on it, at the rate of _________ percent per year, anything contained here to the contrary notwithstanding.