The Plan shall become effective as of March 12, 1997. No Incentive Stock Option (as defined in Section 5 below) granted under the Plan shall become exercisable and no payments shall be made under a Performance-based Award, however, until the Plan is approved by the affirmative vote of the holders of a majority of the shares of Common Stock represented at a shareholders meeting at which a quorum is present and the exercise of any Incentive Stock Options granted under the Plan before such approval shall be conditioned on and subject to such approval. Subject to this limitation, options and Performance-based Awards may be granted and shares may be awarded as bonuses or sold under the Plan at any time after the effective date and before termination of the Plan.