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🟡 Modified Disclosure change7/10

PRICING AND REIMBURSEMENT

high match confidence

Sentence-level differences:

Reworded sentence: "Our future results could be adversely affected by new or changes in U.S."
Reworded sentence: "in the IRA, or through a CMMI demonstration program affecting Medicare or Medicaid, the adoption of more restrictive coverage policies and price controls in new and existing jurisdictions, or the failure to obtain or maintain coverage and pricing could also adversely impact revenue."
Reworded sentence: "In the U.S., pharmaceutical product pricing is subject to government and public scrutiny and calls for reform, and, as a result, many of our products are subject to increasing pricing pressures."
Reworded sentence: "For example, in May and July 2025, the Trump Administration issued the MFN Initiatives and, in September 2025, we announced an agreement with the Trump Administration in which we voluntarily agreed to implement measures designed to make certain drug prices for U.S."
Reworded sentence: "The drug pricing provisions of the IRA began to be implemented in 2022 and implementation efforts will continue in the coming years."

Current (2026):

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Our future results could be adversely affected by new or changes in U.S. and international governmental regulations that mandate price controls, use international reference pricing, including MFN, increase required rebates, establish mandatory CMMI pilots (which are models designed to test certain payment and delivery systems to determine whether they result in cost savings), create coverage criteria, or limit patient access to our products. For instance, government cuts to Affordable Care Act (ACA) subsidies and state Medicaid funding could have a material impact on the pricing and demand for our products. In addition to the expansion of price controls in the U.S. in the IRA, or through a CMMI demonstration program affecting Medicare or Medicaid, the adoption of more restrictive coverage policies and price controls in new and existing jurisdictions, or the failure to obtain or maintain coverage and pricing could also adversely impact revenue. We expect pricing pressures and other cost containment measures for drugs and vaccines will continue.

In the U.S., pharmaceutical product pricing is subject to government and public scrutiny and calls for reform, and, as a result, many of our products are subject to increasing pricing pressures. We expect to see continued focus by the U.S. government on regulating pricing and access to medicine. For example, in May and July 2025, the Trump Administration issued the MFN Initiatives and, in September 2025, we announced an agreement with the Trump Administration in which we voluntarily agreed to implement measures designed to make certain drug prices for U.S. patients more comparable to those in other developed countries (the MFN Agreement). We are also participating in the TrumpRx.gov platform, which allows U.S. patients to purchase certain medicines at significant discounts to current retail prices. These discounts may adversely affect revenue generated from participating drugs. Further, we face risks and uncertainties associated with the MFN Agreement, including the possibility of, among other things, unfavorable impacts to pricing and access. The MFN Agreement and broader U.S. policy efforts to implement measures designed to make certain drug prices for U.S. patients more comparable to those in other developed countries is subject to risks and uncertainties and could, among other things, negatively impact our pricing strategies, product demand or access, or competitive positioning across global markets, and may adversely affect revenues in certain markets.

Additionally, the drug pricing provisions of the IRA are being implemented over the next several years. The IRA directs HHS to set the prices of certain high-expenditure, single-source drugs and biologics covered under Medicare. The IRA also imposes rebates under Medicare Part B and Medicare Part D which require manufacturers to pay rebates if price increases outpace inflation relative to a benchmark period, and replaces the Medicare Part D coverage gap discount program with a new discounting program. The drug pricing provisions of the IRA began to be implemented in 2022 and implementation efforts will continue in the coming years. In August 2023, CMS published the first ten medicines subject to the MDPNP, which included Eliquis. In August 2024, the government released the new Medicare price for Eliquis, which became effective January 1, 2026. In January 2025, CMS announced the selection of another 15 drugs from Medicare Part D for the Maximum Fair Price, with prices to be set and effective on January 1, 2027. Ibrance and Xtandi were included in the list of 15 drugs selected. Another 15 drugs from

Pfizer Inc.

Medicare Part B or Medicare Part D were selected on January 27, 2026, for the Maximum Fair Price to be set and effective on January 1, 2028. Xeljanz was included in the list of 15 drugs selected. It is possible that more of our products could be selected in future years, which could, among other things, lead to lower revenues. Health plans may also require rebates in addition to the Maximum Fair Price for preferred placement on a Medicare plan formulary. The MDPNP is currently subject to legal challenges and therefore, the outcome remains uncertain. We continue to evaluate the impact of the IRA on our business, operations and financial condition and results as the full effect of the IRA on our business and the pharmaceutical industry remains uncertain. For additional information, see the Item 1. Business—Government Regulation and Price Constraints section.

Payors may give preference to generic drugs and biosimilars more aggressively to generate savings and attempt to stimulate additional price competition. In addition, we expect that consolidation and integration among pharmacy chains, wholesalers and PBMs will increase pricing pressures in the industry. Some states have implemented, and others are considering, patient access constraints or cost cutting under state regulated programs including the Medicaid program. States have continued to focus on addressing drug costs, generally by increasing price transparency or attempting to limit drug price increases for state-regulated insurance. Measures to regulate prices or payment for pharmaceutical products, including legislation on drug importation, international reference pricing and prescription drug affordability boards (PDABs) that seek to impose reimbursement limits for certain drugs, could adversely affect our business. For additional information on U.S. pricing and reimbursement, see the Item 1. Business—Government Regulation and Price Constraints section.

We encounter similar regulatory and legislative issues in most other countries in which we operate. In certain markets, such as in EU member states, the U.K., Japan, China, Canada and Australia, governments have significant power as large single payors to regulate prices, access criteria, or impose other means of cost control, particularly as a result of global financing pressures. For example, the QCE and VBP tender process in China has resulted in significant price cuts for off-patent medicines. Additionally, in the EU, the European Parliament and the European Council reached an agreement in December 2025 on the EU Pharma Package – the largest reform of the EU’s Pharmaceutical Legislation in 20 years. The reform still requires formal approval by both institutions and will enter into force upon publication in the EU’s Official Journal, expected in 2026. Most provisions are expected to apply from 2028, following a two-year transition period. This landmark reform is expected to significantly influence the way innovative medicines are developed, authorized, monitored, and accessed across the EU.

In addition, the European Regulation on Health Technology Assessment (EU HTA-R) took effect in January 2025, introducing a single EU-level submission file for joint clinical assessments for oncology medicines and advanced therapy medicinal products. The EU HTA-R will be extended to orphan medicines in January 2028 and, as of 2030, will cover all medicinal products authorized in the EU through the centralized marketing authorization procedure. For additional information regarding these government initiatives, see the Item 1. Business—Government Regulation and Price Constraints section. We anticipate that these and similar initiatives will continue to increase pricing and access pressures globally. In addition, in many countries, with respect to our vaccines, we participate in a tender process for selection in national immunization programs. Failure to win national immunization tenders or to obtain acceptable pricing, as well as recent entry of additional competitors, could adversely affect our business.

View prior text (2025)

Our future results could be adversely affected by changes in U.S. and international governmental regulations that mandate price controls, create coverage criteria, or limit patient access to our products. In addition to the expansion of price controls in the U.S. in the IRA, the adoption of more restrictive coverage policies and price controls in new and existing jurisdictions, or the failure to obtain or maintain coverage and pricing could also adversely impact revenue. We expect pricing pressures and other cost containment measures for drugs and vaccines will continue.

In the U.S., pharmaceutical product pricing is subject to government and public scrutiny and calls for reform, and many of our products are subject to increasing pricing pressures as a result. We expect to see continued focus by the U.S. government on regulating pricing and access to medicine. For example, the drug pricing provisions of the IRA are being implemented over the next several years. The IRA directs HHS to set the prices of certain high-expenditure, single-source drugs and biologics covered under Medicare. The IRA also imposes rebates under Medicare Part B and Medicare Part D which require manufacturers to pay rebates if price increases outpace inflation relative to a benchmark period, and replaces the Medicare Part D coverage gap discount program with a new discounting program. The drug pricing provisions of the IRA began to be implemented in 2022 and implementation efforts will continue in coming years. In August 2023, CMS published the first ten medicines subject to the MDPNP, which included Eliquis. In August 2024, the government released the new Medicare price for Eliquis, which will become effective January 1, 2026. On January 17, 2025, CMS announced the selection of another 15 drugs from Medicare Part D for the maximum fair price, with prices to be set and effective on January 1, 2027. Ibrance and Xtandi were included in the list of 15 drugs selected. Another 15 drugs from Medicare Part B or Medicare Part D will be selected by February 1, 2026, for the maximum price to be set and in effect by January 1, 2028. It is possible that more of our products could be selected in future years, which could, among other things, lead to lower revenues prior to expiry of intellectual property protections. Health plans may also require rebates in addition to the maximum fair price for preferred placement on a Medicare plan formulary. The MDPNP is currently subject to legal challenges and therefore, the outcome remains uncertain. We continue to evaluate the impact of the IRA on our business, operations and financial condition and results as the full effect of the IRA on our business and the pharmaceutical industry remains uncertain. For additional information, see the Item 1. Business—Government Regulation and Price Constraints section.

Payors may give preference to generic drugs and biosimilars more aggressively to generate savings and attempt to stimulate additional price competition. In addition, we expect that consolidation and integration among pharmacy chains, wholesalers and PBMs will increase pricing pressures in the industry. Some states have implemented, and others are considering, patient access constraints or cost cutting under state regulated programs including the Medicaid program. States have continued to focus on addressing drug costs, generally by increasing price transparency or attempting to limit drug price increases for state-regulated insurance. Measures to regulate prices or payment for pharmaceutical products, including legislation on drug importation and prescription drug affordability boards (PDABs) that seek to impose reimbursement limits for certain drugs, could adversely affect our business. For additional information on U.S. pricing and reimbursement, see the Item 1. Business—Government Regulation and Price Constraints section.

We encounter similar regulatory and legislative issues in most other countries in which we operate. In certain markets, such as in EU member states, the U.K., Japan, China, Canada, Australia and New Zealand, governments have significant power as large single payors to regulate prices, access criteria, or impose other means of cost control, particularly as a result of recent global financing pressures. For example, the QCE and VBP tender process in China has resulted in significant price cuts for off-patent medicines. Additionally, in the EU, the EC proposed the largest reform of EU pharmaceutical legislation in 20 years. In April 2024, the European Parliament introduced amendments to the EC’s proposal. The EU legislative process remains ongoing, with several stages still required before the reform can receive final approval. This reform may alter

Pfizer Inc.

regulatory exclusivity periods for our products and may add burdensome obligations that impact access. In addition, with the European Regulation on Health Technology Assessment (EU HTA-R) taking effect in January 2025, we are engaging and monitoring application of the EU’s new clinical assessment program to new oncology products and certain biologic products submitted to the EMA. For additional information regarding these government initiatives, see the Item 1. Business—Government Regulation and Price Constraints section. We anticipate that these and similar initiatives will continue to increase pricing and access pressures globally. In addition, in many countries, with respect to our vaccines, we participate in a tender process for selection in national immunization programs. Failure to win national immunization tenders or to obtain acceptable pricing, as well as recent entry of additional competitors, could adversely affect our business.