Company: GOOGL
Filing Date: 2025-11-05
Form Type: 424B2
Source: 0001193125-25-267244
Chunk: 2

Company: Alphabet Inc.
Filing Date: 2025-11-05
Form: 424B2
Chunk 2
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,580,000 |   |     | $            | 10,000,000 |   |     | $               | 1,985,580,000 |   |
| Per 2055 Note               |     |                 |        99.340 | % |     |              |      0.600 | % |     |                 |        98.740 | % |
| Total                       |     | $               | 3,973,600,000 |   |     | $            | 24,000,000 |   |     | $               | 3,949,600,000 |   |
| Per 2075 Note               |     |                 |        99.261 | % |     |              |      0.600 | % |     |                 |        98.661 | % |
| Total                       |     | $               | 2,729,677,500 |   |     | $            | 16,500,000 |   |     | $               | 2,713,177,500 |   |

| (1) | Plus accrued interest, if any, from November 6, 2025, if settlement occurs after that date. |

| The | notes will not be listed on any securities exchange. Currently, there is no public trading market for the notes. |

The underwriters expect to deliver the notes to investors through the book-entry delivery system of The Depository Trust Company and its direct participants, including Euroclear Bank and Clearstream, on or about November 6, 2025, which will be the third business day from the date of pricing of the notes (this settlement cycle is referred to as “T+3”). Under Rule 15c6-1under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), trades in the secondary market are generally required to settle in one business day, unless the parties to any such trade expressly agree otherwise. Accordingly, purchasers who wish to trade notes on any day prior to the business date before delivery will be required, by virtue of the fact that the notes initially settle in T+3, to specify an alternate settlement arrangement at the time of any such trade to prevent a failed settlement and should consult their own advisors. See “Underwriting.” Joint Global Coordinators and Joint Book-Running Managers

| Goldman Sachs & Co. LLC |     | HSBC |     | J.P. Morgan |

Joint Book-Running Managers

|