AEON Biopharma, Inc.

We rely on the Daewoong Agreement to provide us exclusive rights to commercialize and distribute ABP-450 in certain territories. Any termination or loss of significant rights, including exclusivity, under the Daewoong Agreement would materially and adversely affect our development or commercialization of ABP-450.

Pursuant to the Daewoong Agreement, we have secured an exclusive license from Daewoong, a South Korean pharmaceutical manufacturer, to import, distribute, promote, market, develop, offer for sale and otherwise commercialize and exploit ABP-450 for therapeutic indications in certain territories including the United States, the European Union, the United Kingdom, Canada, Australia, Russia, Commonwealth of Independent States and South Africa. The Daewoong Agreement imposes on us obligations relating to exclusivity, territorial rights, development, regulatory approval, commercialization, payment, diligence, sublicensing, intellectual property protection and other matters. For example, we are obligated to use commercially reasonable efforts to obtain regulatory approval of ABP-450 and obtain from Daewoong all of our product supply requirements for ABP-450. In addition, under the Daewoong Agreement, we are required to submit our commercialization plan to a Joint Steering Committee, or JSC, comprised of an equal number of development and commercial representatives from Daewoong and us, for review and input.

Although the Daewoong Agreement provides us with final decision-making power regarding the marketing, promotion, sale and/or distribution of ABP-450, any disagreement among the JSC would be referred to Daewoong’s and our respective senior management for resolution if the JSC is unable to reach a decision within thirty days, which may result in a delay in our ability to implement our commercialization plan or harm our working relationship with Daewoong. Further, under the Daewoong Agreement, we may not purchase, sell or distribute any injectable botulinum toxin that is launched in the covered territories after the effective date of the Daewoong Agreement other than ABP-450 in a covered territory or sell ABP-450 outside a covered territory.

The initial term of the Daewoong Agreement will expire on the later of December 20, 2029 or the fifth anniversary of our receipt of approval from the relevant governmental authority necessary to market and sell ABP-450 in any of the aforementioned territories. The Daewoong Agreement will renew for unlimited additional three-year terms after the expiration of the initial term. We or Daewoong may terminate the Daewoong Agreement if the other party breaches any of its duties or obligations and such breach continues without cure for ninety days, or thirty days in the case of a payment default, or, if such breach is not capable of being cured, immediately by delivery of written notice. The Daewoong Agreement will terminate without notice upon our bankruptcy or insolvency or if we assign our business or the Daewoong Agreement in whole or in part for the benefit of creditors. On March 19, 2024, we entered into a Fourth Amendment to the Daewoong Agreement (the “Daewoong Agreement Amendment”) with Daewoong, which amends the Daewoong Agreement to provide that Daewoong may terminate the Daewoong Agreement if, over any six- month period, (a) we cease to commercialize ABP-450 in each of the territories specified in the License Agreement (as defined below) and (b) we cease to advance any clinical studies of ABP-450 in any such territories. The Daewoong Agreement Amendment also provides that, in the event that the License Agreement is terminated for the foregoing reasons, Daewoong will have the right to purchase all Know-How (as defined in the License Agreement) related to ABP-450 for a price of $1.00 (the “Termination Purchase Right”). The Termination Purchase Right will terminate and expire upon Daewoong’s sale of 50% of its common stock, including common stock held by its affiliates and common stock that would be issued upon an Automatic Conversion or Optional Conversion of the New Convertible Notes (as defined in the New Convertible Notes).

We will be the sole owner of any marketing authorization we pursue related to therapeutic indications of ABP-450 in a covered territory. This will include ownership of any BLA that we may submit to the FDA, MAA that we may submit to the EMA, NDS that we may submit to Health Canada, and any other approvals that we may receive in a covered territory. However, if we do not renew the Daewoong Agreement following any initial or renewal term, or if Daewoong terminates the Daewoong Agreement due to a breach by us, we are obligated to transfer our rights in such marketing authorizations to Daewoong.

If we breach any material obligations, or use the intellectual property licensed to us in an unauthorized manner, we may be required to pay damages to Daewoong and Daewoong may have the right to terminate our license. Any termination or loss of rights under the Daewoong Agreement would materially and adversely affect our ability to develop and commercialize ABP-450, which in turn would have a material adverse effect on our business, operating results and prospects. If we were to lose our rights under the Daewoong Agreement, we believe it would be difficult or impossible for us to find an alternative supplier of a botulinum toxin type-A complex. In addition, to the extent the alternative supplier has not secured regulatory approvals in a jurisdiction, we would have to expend significant resources, including performing additional clinical studies, to obtain regulatory approvals that may never be obtained or require several years to obtain, which could significantly delay commercialization. We may be unable to raise additional capital to fund our operations during this extended time on terms acceptable to us or at all. If we were to commercialize ABP-450 and later experience delays as a result of a dispute with Daewoong, the demand for ABP-450 could be materially and adversely affected.

Wecurrently rely solely on Daewoong to manufacture ABP-450, and as such, any production or other problems with Daewoong could adversely affect us. The manufacture of biologics is complex and Daewoong may encounter difficulties in production that may impact our ability to provide supply of ABP-450 for clinical studies, our ability to obtain regulatory approval, or our ability to obtain commercial supply of our products, which, if approved, could be delayed or stopped.

We have no experience in biologic manufacturing and do not own or operate, and we do not expect to own or operate, facilities for product manufacturing, storage and distribution, or testing. We depend solely upon Daewoong to manufacture ABP-450. Any failure or refusal by Daewoong to supply ABP-450 could delay, prevent or impair our clinical development or commercialization efforts. The Daewoong Agreement also provides for a fixed price related to the supply of ABP-450 for ten years or for five years after the receipt of regulatory approvals, and if a change in price were to occur, it could impair our ability to obtain necessary quantities of ABP-450. Although alternative sources of supply may exist, the number of third-party suppliers with the necessary manufacturing and regulatory expertise and facilities is limited, and it could be expensive and take a significant amount of time to arrange for alternative suppliers, which could have a material adverse effect on our business. New suppliers of any product candidate would be required to qualify under applicable regulatory requirements and would need to have sufficient rights under applicable intellectual property laws

to the method of manufacturing the product candidate. Obtaining the necessary FDA approvals or other qualifications under applicable regulatory requirements and ensuring non- infringement of third-party intellectual property rights could result in a significant interruption of supply and could require the new manufacturer to bear significant additional costs which may be passed on to us. We will also need to verify, such as through a manufacturing comparability study, that any new contract manufacturing organization or manufacturing process will produce our product candidate according to the specifications previously submitted to the FDA or another regulatory authority. We may be unsuccessful in demonstrating the comparability of clinical suppliers which could require conducting additional clinical studies.

In addition, there are risks associated with large scale manufacturing for clinical studies or commercial scale including, among others, cost overruns, potential problems with process scale-up, process reproducibility, stability issues, compliance with cGMP, lot consistency and timely availability of raw materials. Even if we obtain regulatory approval for ABP-450, there is no assurance that Daewoong will be able to manufacture the approved product to specifications acceptable to the FDA or other comparable foreign regulatory authorities, to produce it in sufficient quantities to meet the requirements for the potential commercial launch of the product or to meet potential future demand. If Daewoong is unable to produce sufficient quantities for clinical studies, including preclinical studies, or for commercialization, our development and commercialization efforts would be impaired, which would have an adverse effect on our business, financial condition, results of operations and growth prospects.

Our reliance on Daewoong entails additional risks, including reliance on Daewoong for regulatory compliance and quality assurance, the possible breach of the Daewoong Agreement by Daewoong, and the possible termination or nonrenewal of the Daewoong Agreement at a time that is costly or inconvenient for us. Our failure, or the failure of Daewoong, to comply with applicable regulations, such as cGMP, which includes, among other things, quality control, quality assurance and the maintenance of records and documentation, could result in sanctions being imposed on us, including clinical holds, fines, injunctions, civil penalties, delays, suspension or withdrawal of approvals, license revocation, seizures or recalls of the product candidate or drugs, import alerts or detentions preventing import of product into the United States or other territories, operating restrictions and criminal prosecutions, any of which could significantly and adversely affect supplies of ABP-450. Our dependence on Daewoong also subjects us to all of the risks related to Daewoong’s business, which are all generally beyond our control. Daewoong’s ability to perform its obligations under the Daewoong Agreement is dependent on its operational and financial health, which could be negatively impacted by several factors, including changes in the economic, political and legislative conditions in South Korea and the broader region in general and the ability of Daewoong to continue to successfully attract customers and compete in its market. Daewoong’s lack of familiarity with, or inability to effectively operate, the facility and produce products of consistent quality, may harm our ability to compete in our market.

In addition, we are ultimately responsible for distribution of products under any authorization or approval we hold to investigate or market ABP-450. We do not own a manufacturing facility and we have never supervised manufacturing operations, but we have regulatory obligations to review batch records and release of the investigational product for our clinical studies. Further, we will have similar regulatory obligations if the product is marketed and could be held responsible for any distribution of adulterated or misbranded ABP-450, even if caused by Daewoong’s noncompliance. If Daewoong’s facility were to be damaged, destroyed or otherwise unable to operate or comply with regulatory requirements, whether due to earthquakes, fire, floods, hurricanes, storms, tornadoes, other natural disasters, employee malfeasance, terrorist acts, political unrest, power outages or otherwise, or if operations at the facility were disrupted for any other reason, such an event could negatively affect our ongoing preclinical studies and clinical studies and, if ABP-450 is approved, jeopardize Daewoong’s ability to manufacture ABP-450 as promptly as we or our customers expect or possibly at all. If an event occurred that prevented Daewoong from using all or a significant portion of its manufacturing facility due to damaged critical infrastructure, or that otherwise disrupted operations, it may be difficult or, in certain cases, impossible for Daewoong to supply enough ABP- 450 to continue our business for a substantial period of time.

A material breach by us of the terms of our license and settlement agreement with Medytox, Inc. could have a material adverse effect on our business.

In May 2021, Medytox, Inc., or Medytox, brought a case against Old AEON in the United States District Court for the Central District of California, or the Medytox Litigation, alleging, among other things, that Daewoong stole Medytox’s botulinum toxin bacterial strain, or the BTX strain, and misappropriated certain trade secrets of Medytox, including the process used to manufacture ABP-450 using the BTX strain, and that our and Daewoong’s activities conducted in the United States gave rise to liability for misappropriation of trade secrets. Medytox sought, among other things, (i) actual, consequential and punitive damages, (ii) a reasonable royalty, as appropriate, (iii) disgorgement of any proceeds or profits, (iv) injunctive relief prohibiting us from using

Medytox’s trade secrets to manufacture, offer to sell, or sell therapeutic BTX products, including ABP-450, and (v) attorneys’ fees and costs.

The Medytox Litigation was another step in an ongoing dispute involving Medytox and Allergan, on the one side, and Evolus, Daewoong and us on the other side. In June 2017, Medytox brought a civil lawsuit of a similar nature against Evolus, Daewoong and Old AEON in the Superior Court of the State of California, which we refer to as the Superior Court Litigation, and a separate lawsuit in October 2017 against Daewoong in South Korea, which we refer to as the Korea Litigation. The lawsuit filed in the Superior Court of the State of California alleged claims substantially similar to the Medytox Litigation and was subsequently stayed on grounds of forum non conveniens, because the underlying facts that gave rise to the complaint occurred in South Korea, among other reasons. We are not a party to the Korea Litigation. In April 2018, the Superior Court of the State of California dismissed Medytox’s suit against Daewoong without prejudice on the basis that Medytox had brought a substantially similar proceeding against Daewoong in South Korea, and continued a stay of the case as to us and Evolus. In February 2021, the Superior Court of the State of California dismissed Medytox’s suit against Old AEON without prejudice, following Medytox’s filing of a notice of settlement of the case based on a settlement it entered with Evolus.

Additionally, in January 2019, Allergan and Medytox filed a complaint against Daewoong and Evolus with the United States International Trade Commission, or the United States ITC, alleging that the BTX strain used in Evolus’ Jeuveau® product is manufactured based on misappropriated trade secrets of Medytox and therefore its importation is an unfair act. The Administrative Law Judge issued a final determination in December 2020. The final determination concluded that a violation of Section 337 of the Tariff Act of 1930 had occurred, and the United States ITC issued a limited exclusion order forbidding entry of Jeuveau® into the United States for 21 months and a cease and desist order prohibiting Daewoong and Evolus from engaging in the importations, sale for importation, marketing, distribution, offering for sale, the sale after the importation of, or other transfers of Jeuveau® within the United States for 21 months. The 21-month ban was stayed as a result of a settlement agreement between Evolus and Medytox in February 2021.

Effective June 21, 2021, Old AEON entered into a settlement and license agreement with Medytox, or the Medytox Settlement Agreement, pursuant to which, among other things, Medytox agreed (a) to dismiss all claims against us in the Medytox Litigation, (b) to pursue dismissal of the appeals related to the December 2020 final determination of the United States ITC and agreed that as a result of such dismissal the final determination would be vacated, (c) to file appropriate documents in the Korea Litigation and related actions in support of the terms of the settlement, and (d) not to revive or otherwise pursue the Superior Court Litigation with respect to us. In addition, Medytox granted us a non-exclusive, royalty bearing license to Medytox’s botulinum toxin strain and specific trade secrets alleged to have been misappropriated in the litigation to commercialize and manufacture specific botulinum neurotoxin products including ABP-450 worldwide, with the exception of South Korea. In exchange for the license, we issued Medytox 26,680,511 shares of Old AEON common stock, par value $0.0001 per share, and agreed to pay Medytox single-digit royalties on the net sales of licensed products for 15 years following our first $1.0 million in commercial sales of neurotoxin products.

Medytox can terminate the Medytox Settlement Agreement if we materially breach any material provision of the agreement, either immediately upon written notice if the breach is incurable or after 60 days if capable of remedy. Additionally, Medytox may terminate the Medytox Settlement Agreement with 15 days of written notice if we or our affiliates or sublicensees challenge the validity, enforceability, scope, or protected status of Medytox’s botulinum strain and specific trade secrets alleged to have been misappropriated in the litigation. If the Medytox Settlement Agreement were terminated, Medytox would be able to revive the Medytox Litigation and other claims against us, and may seek an injunction or other ruling against us in the Korea Litigation, any one of which could result in us losing access to ABP-450 and the manufacturing process and require us to negotiate a new license with Medytox for continued access to ABP-450. We may not be able to successfully negotiate such license on terms acceptable to us or at all. If we are unable to license ABP-450, we may not be able to find a replacement product candidate on a timeline favorable to us, if at all, without expending significant resources and being required to seek additional regulatory approvals, which would be uncertain, time consuming and costly.

Werely, and will continue torely, on third parties, CROs and consultants to conduct all of our preclinical studies and clinical studies. If these third parties or consultants do not successfully carry out their contractual duties or meet expected deadlines, wemay be unable to obtain regulatory approval for ABP-450.

We do not currently have the ability to independently conduct any preclinical studies or clinical studies. We rely, and will continue to rely, on medical institutions, clinical investigators, contract laboratories, collaborative partners and other third parties, such as CROs, to conduct preclinical studies and clinical studies on ABP-450. The third parties with whom we currently or may in the

future contract for execution of any of our preclinical studies and clinical studies play a significant role in the conduct of these studies and the subsequent collection and analysis of data. However, these third parties are not our employees, and except for contractual duties and obligations, we have limited ability to control the amount or timing of resources that they devote to any of our current or future programs. Although we rely on these third parties to conduct our preclinical studies and clinical studies, we remain responsible for ensuring that each of our preclinical studies and clinical studies is conducted in accordance with the investigational plan and protocol. Moreover, the FDA and other similar regulatory authorities require us to observe both good laboratory practices, or GLP, and animal welfare requirements for preclinical studies, and to comply with GCPs for conducting, monitoring, recording and reporting the results of clinical studies to ensure that the data and results are scientifically credible and accurate, and that the study subjects are adequately informed of the potential risks of participating in clinical studies. Our reliance on CROs and other third parties does not relieve us of these regulatory and legal responsibilities. Regulatory authorities enforce GCPs through periodic inspections of trial sponsors, principal investigators and trial sites. If we or any of our CROs or trial sites fail to comply with applicable GLP, GCP or other requirements, the data generated in our clinical trials may be deemed unreliable, and the FDA or comparable foreign regulatory authorities may require us to perform additional clinical trials before approving our marketing applications, if ever. Furthermore, our clinical trials must be conducted with materials manufactured in accordance with cGMP regulations. Failure to comply with these regulations may require us to repeat clinical trials, which would delay the regulatory approval process.

In addition, the execution of preclinical studies and clinical studies, and the subsequent compilation and analysis of the data produced, requires coordination among various parties. In order for these functions to be carried out effectively and efficiently, it is imperative that these parties communicate and coordinate with one another. Moreover, these third parties may also have relationships with other commercial entities, some of which may compete with us. If the third parties or consultants conducting our clinical studies do not perform their contractual duties or obligations, experience work stoppages, do not meet expected deadlines, terminate their agreements with us or need to be replaced, or if the quality or accuracy of the preclinical or clinical data they obtain is compromised due to the failure to adhere to GLPs, or our clinical study protocols or GCPs, or for any other reason, we may need to conduct additional clinical studies or enter into new arrangements with alternative third parties, which could be difficult, costly or impossible, and our preclinical studies and clinical studies may be extended, delayed or terminated or may need to be repeated. Further, any noncompliance that results in data integrity issues could put any regulatory approval we receive at risk of withdrawal, and could subject us to regulatory sanctions due to failure to adequately oversee the third parties we rely upon. If any of the foregoing were to occur, we may not be able to obtain, or may be delayed in obtaining, regulatory approval for and will not be able to, or may be delayed in our efforts to, successfully commercialize ABP-450.

Public health outbreaks, epidemics or pandemics (such as the COVID-19 pandemic) may materially and adversely affect our business and operations.

Actual or threatened public health outbreaks, epidemics or pandemics may in the future adversely affect, among other things, our research and development efforts, clinical trial operations, manufacturing and supply chain operations, administrative personnel, third-party service providers, and business partners.

Economic and health conditions in the United States and across most of the globe continue to change rapidly and may materially affect us economically. While the potential economic impact brought by, and the duration of, public health outbreaks may be difficult to assess or predict, a continuing widespread pandemic could result in significant disruption of global financial markets, reducing our ability to access capital, which could in the future negatively affect our liquidity. In addition, a recession or market correction resulting from a future public health outbreak could materially affect our business and the value of our common stock. The ultimate impact of the outbreak is highly uncertain and subject to change. We do not yet know the full extent of potential delays or impacts on our business, our clinical trials, healthcare systems or the global economy as a whole. However, these effects could have a material adverse effect on our business, results of operations and financial condition.

We may use third-party collaborators to help us develop, validate or commercialize any new products, and our ability to commercialize such products could be impaired or delayed if these collaborations are unsuccessful.

We may license or selectively pursue strategic collaborations for the development, validation and commercialization of ABP-450. In any third-party collaboration, we would be dependent upon the success of the collaborators in performing their responsibilities and their continued cooperation, and we would have limited control over the amount and timing of resources and effort that our collaborators would dedicate to the development or commercialization of our product candidates. Our collaborators may not cooperate with us or perform their obligations under our agreements with them at all or as expected. Our collaborators may choose to pursue alternative technologies in preference to those being developed in collaboration with us. The development, validation and

commercialization of our current and future product candidates may be delayed if collaborators fail to conduct their responsibilities in a timely manner or in accordance with applicable regulatory requirements or if they breach or terminate their collaboration agreements with us. Our collaborators could also independently develop, or develop with third parties, products that compete directly or indirectly with our product candidates, fail to properly maintain or defend our intellectual property rights or infringe the intellectual property rights of third parties, exposing us to litigation. Disputes with our collaborators could also impair our reputation or result in development and commercialization delays, decreased revenues and could cause litigation expenses.

In addition, we may face significant competition in seeking appropriate collaborators. Whether we reach a definitive agreement for a collaboration will depend, among other things, upon our assessment of the collaborator’s resources and expertise, the terms and conditions of the proposed collaboration and the proposed collaborator’s evaluation of a number of factors. Those factors may include the design or results of clinical studies, the likelihood of approval by the FDA or similar regulatory authorities outside the United States, the potential market for ABP-450 or our future product candidates, the costs and complexities of manufacturing and delivering ABP-450 or our future product candidates to patients, the potential of competing products, the existence of uncertainty with respect to our ownership of technology, which can exist if there is a challenge to such ownership without regard to the merits of the challenge, and industry and market conditions generally. The collaborator may also consider alternative product candidates or technologies that may be available to collaborate on and whether such a collaboration could be more attractive than the one with us for our product candidate. Collaborations are complex and time-consuming to negotiate and document.

We may not be able to negotiate collaborations on a timely basis, on acceptable terms, or at all. If we are unable to do so, we may have to curtail the development of ABP-450 or our future product candidates, reduce or delay development programs, delay potential commercialization or reduce the scope of any sales or marketing activities, or increase our expenditures and undertake development or commercialization activities at our own expense. If we elect to increase our expenditures to fund development or commercialization activities on our own, we may need to obtain additional capital, which may not be available to us on acceptable terms or at all. If we do not have sufficient funds, we may not be able to further develop and commercialize ABP-450 or our future product candidates or bring them to market and generate revenue.