Company: AWK
Filing Date: 2025-12-29
Form Type: S-4/A
Source: 0001193125-25-332292
Chunk: 253

Company: American Water Works Company, Inc.
Filing Date: 2025-12-29
Form: S-4/A
Chunk 253
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 the recipient or holder thereof:

(i) Each Company Stock Option, whether vested or unvested, that is outstanding immediately prior to the Effective Time shall,
as of the Effective Time, be assumed and converted into an option (each, as so converted and adjusted as follows, an “”) to acquire, on the same terms and conditions as were applicable under such Company Stock
Option, including any “double trigger” vesting protections (except that, for any Company Stock Option subject to performance-based conditions, the vesting of the corresponding Adjusted Option will no longer be subject to achievement of
the applicable performance goals), a number of shares of Parent Common Stock (rounded down to the nearest whole share) equal to the product of (A) the number of shares of Company Common Stock subject to such Company Stock Option and
(B) the Exchange Ratio, at an exercise price per share of Parent Common Stock (rounded up to the nearest whole cent) equal to the quotient obtained by dividing (1) the aggregate exercise price for the shares of Company Common Stock subject
to such Company Stock Option by (2) the Exchange Ratio.

(ii) Each award of Company Restricted Shares that is
outstanding immediately prior to the Effective Time shall, as of the Effective Time, be assumed and converted into, on the same terms and conditions as were applicable under such Company Restricted Shares, including any “double trigger”
vesting protections, a number of restricted shares of Parent Common Stock (as so converted and adjusted as follows, the “”) equal to the product of (A) the total number of shares of Company Common
Stock subject to such award of Company Restricted Shares and (B) the Exchange Ratio, with any fractional shares rounded down to the nearest whole share of restricted Parent Common Stock.

(iii) Each Company RSU Award and each Company Performance Share Award that is outstanding immediately prior to the Effective
Time shall, as of the Effective Time, be assumed and converted into a restricted stock unit award in respect of a number of shares of Parent Common Stock (each, as so converted and adjusted as follows, an “”)
equal to the product obtained by multiplying (A) the total number of shares of Company Common Stock subject to the Company RSU Award or Company Performance Share Award, as applicable, as of immediately prior to the Effective Time by
(B) the Exchange Ratio, with any fractional shares rounded down to the nearest whole share. For purposes of the immediately preceding sentence, the number of shares of Company Common Stock subject to each Company Performance Share Award as of