Except as may be otherwise provided herein, the makers, signers, sureties, guarantors and endorsers of this Note severally waive demand, presentment, notice of dishonor, notice of intent to demand or accelerate payment hereof, notice of acceleration, diligence in collecting, grace, notice, and protest, and agree to one or more extensions for any period or periods of time and partial payments, before or after maturity, without prejudice to the Holder.