Rare Disease

Marc Dunoyer, CEO, Alexion and Chief Strategy Officer, AstraZeneca Gianluca Pirozzi, SVP, Head of Development and Safety, Alexion

Investor Day 2024

Forward looking statements

In order, among other things, to utilise the 'safe harbour' provisions of the US Private Securities Litigation Reform Act of 1995, AstraZeneca (hereafter 'the Group') provides the following cautionary statement: This document contains certain forward-looking statements with respect to the operations, performance and financial condition of the Group, including, among other things, statements about expected or targeted revenues, margins, earnings per share or other financial or other measures (including the Financial Ambition Statements described in this presentation). Although the Group believes its expectations and targets are based on reasonable assumptions and has used customary forecasting methodologies used in the pharmaceutical industry and risk-adjusted projections for individual medicines (which take into account the probability of success of individual clinical trials, based on industry-wide data for relevant clinical trials at a similar stage of development), any forward-looking statements, by their very nature, involve risks and uncertainties and may be influenced by factors that could cause actual outcomes and results to be materially different from those predicted. The forward-looking statements reflect knowledge and information available at the date of preparation of this document and the Group undertakes no obligation to update these forward-looking statements. The Group identifies the forward-looking statements by using the words 'anticipates', 'believes', 'expects', 'intends' and similar expressions in such statements. Important factors that could cause actual results to differ materially from those contained in forward-looking statements, certain of which are beyond the Group's control, include, among other things: the risk of failure or delay in delivery of pipeline or launch of new medicines; the risk of failure to meet regulatory or ethical requirements for medicine development or approval; the risk of failures or delays in the quality or execution of the Group's commercial strategies; the risk of pricing, affordability, access and competitive pressures; the risk of failure to maintain supply of compliant, quality medicines; the risk of illegal trade in the Group's medicines; the impact of reliance on third-party goods and services; the risk of failure in information technology or cybersecurity; the risk of failure of critical processes; the risk of failure to collect and manage data in line with legal and regulatory requirements and strategic objectives; the risk of failure to attract, develop, engage and retain a diverse, talented and capable workforce; the risk of failure to meet regulatory or ethical expectations on environmental impact, including climate change; the risk of the safety and efficacy of marketed medicines being questioned; the risk of adverse outcome of litigation and/or governmental investigations; intellectual property-related risks to the Group's products; the risk of failure to achieve strategic plans or meet targets or expectations; the risk of failure in financial control or the occurrence of fraud; the risk of unexpected deterioration in the Group's financial position; the impact that global and/or geopolitical events may have, or continue to have, on these risks, on the Group's ability to continue to mitigate these risks, and on the Group's operations, financial results or financial condition There can be no guarantees that the conditions to the closing of the proposed transaction with Fusion will be satisfied on the expected timetable, or at all, or that "FPI-2265"(Ac225-PSMA I&T) or any combination product will receive the necessary regulatory approvals or prove to be commercially successful if approved. There can be no guarantees that the conditions to the closing of the proposed transaction with Amolyt Pharma will be satisfied on the expected timetable, or at all, or that eneboparatide ('AZP-3601') will receive the necessary regulatory approvals or prove to be commercially successful if approved.

This presentation includes references to new molecular entities and life-cycle management programmes that are being investigated in current or future clinical trials, and as such have not been approved by any regulatory agency. For a list of new molecular entities and indications in development, see pages 7-11 of the Clinical Trials Appendix that accompanied AstraZeneca's Q1 2024 results.

Basis of AstraZeneca ambitions, forecasts and targets

AstraZeneca ambitions, forecasts and targets in this presentation (the "Financial Ambition Statements") are derived from AstraZeneca's most recent risk-adjusted mid- and long-term plans, adjusted for developments in the business since those plans were finalised. Financial Ambition Statements presented are based on management's risk-adjusted projections for individual medicines and individual clinical trials. Estimates for these probabilities are based on industry-wide data for relevant clinical trials in the pharmaceutical industry at a similar stage of development adjusted for management's view on the risk profile of the specific asset. The peak year revenue (PYR) potential for individual medicines referred to in this presentation are the maximum estimated Total Revenue to be recognised by AstraZeneca in a single calendar year, during the lifecycle of the medicine, and are based on management's latest non-risk adjusted forecast estimates. Estimates are based on customary forecasting methodologies used in the pharmaceutical industry. Peak year revenue may occur in different years for each NME depending on trial outcomes, approval label, competition, launch dates and exclusivity periods, amongst other variables. The peak year revenue figures are derived from net sales at nominal values and are not risk-adjusted or time-value discounted. The development of pharmaceutical products has inherent risks given scientific experimentation and there are a range of possible outcomes in clinical results, safety, efficacy and product labelling. Clinical results may not achieve the desired product profile and competitive environment, pricing and reimbursement may have material impact on commercial revenue forecasts. By their nature, forecasts are based on a multiplicity of assumptions and actual performance in future years may vary, significantly and materially, from these assumptions. The Financial Ambition Statements in this presentation are based on Q1 2024 exchange rates; AZ undertakes no obligation to update those statements based on future currency movements

2

Investor Day 2024

Rare Disease - next wave of growth to 2030 and beyond

Illustrative only, not to scale

Beyond 2030

Launching key NMEs

ALXN2220

Genomic medicines

Existing

anselamimab

portfolio

eneboparatide1

efzimfotase alfa

$7.1bn

$7.8bn

gefurulimab

12%

10%

Lost of Exclusivity (Soliris)

2022

2023

2030

Complement

continued leadership

Beyond Complement focused on first- and/or best-in-classmedicines

Technologies

investing in new, potentially curative, modalities

FY 2022 growth rates on medicines acquired with Alexion have been calculated on a pro forma basis comparing to the corresponding period in the prior year. In FY 2022 Total Revenue from Koselugo is included in Rare Disease (FY 2021: Oncology) and Total Revenue from Andexxa is included in BioPharmaceuticals: CVRM (FY 2021: Rare Disease). The growth rate shown has been calculated as though these changes had been implemented in FY 2021.

  • 1. Amolyt acquisition remains subject to customary external clearances; all clinical development plans mentioned herein subject to deal closure. All growth rates at CER. Acronym definitions can be found in Glossary.

Investor Day 2024

Alexion has delivered sustainable and robust growth since acquisition

Rare Disease Total Revenue growth (%)

Rare Disease patient growth (%)

25%

21%

18%

16%

10% 12%

2022

2023

Q1 2024

2022

2023

Q1 2024

FY 2022 growth rates on medicines acquired with Alexion have been calculated on a pro forma basis comparing to the corresponding period in the prior year. In FY 2022 Total Revenue from Koselugo is included in Rare Disease (FY 2021: Oncology) and Total Revenue from Andexxa is included in BioPharmaceuticals: CVRM (FY 2021: Rare Disease). The growth rate shown has been calculated as though these changes had been implemented in FY 2021. All growth rates at CER.

  • Acronym definitions can be found in Glossary.

Investor Day 2024

Emerging Markets growth leveraging AstraZeneca global footprint

Emerging Markets Total Revenue growth (%)

62%73%

6%

2022

2023

Q1 2024

Launching in new countries globally

Strategic opportunity in China

Leveraging AstraZeneca's presence to address underserved rare populations in China

2021

2023

2030

National

Reimbursement

PNH

aHUS

NF1-PN

Drug List

20 70 100

countries countries countries

gMG

FY 2022 growth rates on medicines acquired with Alexion have been calculated on a pro forma basis comparing to the corresponding period in the prior year. In FY 2022 Total Revenue from Koselugo is included in Rare Disease (FY 2021: Oncology) and Total Revenue from Andexxa is included in BioPharmaceuticals: CVRM (FY 2021: Rare Disease). The growth rate shown has been calculated as though these changes had been implemented in FY 2021. All growth rates at CER.

  • Acronym definitions can be found in Glossary.

Investor Day 2024

Complement

6

Investor Day 2024

Sustainable growth of C5 Franchise

C5 Total Revenue growth (%)

$5bn+*

7%8%

10%

Rapid conversion from

Soliris to Ultomiris

2022

2023

Q1 2024

Superior efficacy with rapid, sustained complement inhibition and steroid sparing data

C5 patient growth by indication (%)

8%

2022

PNH

20%

Geographic reach leveraging

17%

well-established AstraZeneca network

Indication expansion to maximise

2023

Q1 2024

complement-mediated and adjacent

aHUS

Neurology

diseases

*Peak Year Revenues, non-risk adjusted. FY 2022 growth rates on medicines acquired with Alexion have been calculated on a pro forma basis comparing to the corresponding period in the prior year. Neurology includes gMG and NMOSD. In

FY 2022 Total Revenue from Koselugo is included in Rare Disease (FY 2021: Oncology) and Total Revenue from Andexxa is included in BioPharmaceuticals: CVRM (FY 2021: Rare Disease). The growth rate shown has been calculated as though

Investor Day 2024

7 these changes had been implemented in FY 2021. All growth rates at CER. Acronym definitions can be found in Glossary.

Neurology driving C5 growth in the short- to mid-term

Neurology Total Revenue growth (%)1

23%

15%

11%

2022

2023

Q1 2024

Neurology patient growth (%)

40%42%

15%

2022

2023

Q1 2024

Sustained long-term improvements

88% of Ultomiris patients saw clinically meaningful improvements in activities of daily living to Week 1642

Steroid sparing data >75% of Soliris

patients were on low dose steroids after 2 years3

Vs competition (FcRN) switch dynamic

has consistently favoured Ultomiris since Q3 20234

Long-term evidence of superior efficacy in gMG

1. Internal estimated growth rates. 2. Vu et al. AAN 13-18 April 2024 Long term efficacy and safety of ravulizumab, a long-acting terminal complement inhibitor, in adults with AChR Ab+ generalized myasthenia gravis: Final results from the Phase 3 CHAMPION MG open-label extension. 3. Pulley M. et al., AANEM 2023 Annual Meeting, November 1-4, 2023, Phoenix, AZ, USA. 4. Based on raw claims data from Komodo Prism 17 April 2024. Neurology includes gMG and NMOSD.

  • Acronym definitions can be found in Glossary.

Investor Day 2024

gMG - expanding reach with next-generation gefurulimab

Opportunity to treat earlier and broader patient population1

Soliris

US diagnosed patients: 72,000 AChR+ across gMG MGFA Classes II to IV

SoC for more severe,

Q2W

refractory patients

66,000

36,000

9,000

3rd

Soliris

immuno-suppressant

Ultomiris

corticosteroids

1st immuno-

2nd immuno-

orIVIg/PP/PLEX

or

biologic of choice for

suppressant

suppressant

a

Soliris

Q8W

population

broader a

gefurulimab

Ultomiris

QW

(ALXN1720)

potential best-in-class

gefurulimab (ALXN1720)

self-administrative s.c. option

9 Epidemiology refers to diagnosed US AChR+ gMG patients. Acronym definitions can be found in Glossary.

Investor Day 2024

gMG - forecasted market evolution across Top 7 countries

gMG market evolution across Top 7 countries1

100%

90%

80%

70%

60%

50%

40%

30%

20%

10%

0%

2022

2023

2024

2025

2026

2027

2028

2029

2030

2031

2032

2033

2034

Majority of market

New branded

Continued growth

unbranded

and off-label

unbranded

market entrants

of branded market

branded

80% of patients to move to

branded medicines by 20342

gMG launched in 31 countries

with additional 25 countries

by 2025

We anticipate patients

treated with Ultomiris, Soliris

and gefurulimab to grow significantly over the next 10 years

1. Top 7 = US, EU4 (Germany, France, Italy, Spain), Japan and Canada; based on market research and internal forecasts. 2. Branded products include non-steroid and non-immunosuppressants. 3. Excluding China, from 2024-2034. Acronym 10 definitions can be found in Glossary.

Investor Day 2024

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AstraZeneca plc published this content on 21 May 2024 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 21 May 2024 12:39:04 UTC.