Viking Therapeutics, Inc. Commitments Disclosure

In November 2021, the Company entered into an Office Lease (the “Office Lease”) with One Pacific Heights. LLC. The Office Lease is for approximately 7,940 rentable square feet of space located at 9920 Pacific Heights Blvd, Suite 350, San Diego, California 92121 (the “Premises”). The Premises currently serve as the Company’s corporate headquarters.

Monthly base rent payments due under the Office Lease for the Premises are $28,187, subject to annual increases of 3.0% during the term of the Office Lease. Under the Office Lease, the Company is responsible for certain charges for common area maintenance and other costs, including utility expenses and the Office Lease provides for abatement of rent during certain periods and escalating rent payments throughout the term of the Office Lease.

In October 2025, the Company amended the Office Lease (the “Amended Lease”). The Amended Lease is for approximately 25,062 rentable square feet of space located at 9920 Pacific Heights Blvd, Suite 500, San Diego, California 92121 (the “New Premises”). The New Premises will be the Company's corporate headquarters upon the later of (i) the date of substantial completion of certain tenant improvements provided for in the Amended Lease or (ii) April 1, 2026 (the “Substitution Date”).

The Amended Lease will expire on the last day of the 67th month following the Substitution Date (the “Term”). Monthly base rent payments due under the Amended Lease for the New Premises are $63,000, subject to annual increases pursuant to the Amended Lease

during the Term. Under the Amended Lease, the Company is responsible for certain charges for common area maintenance and other costs, including utility expenses, and the Amended Lease provides for abatement of rent during certain periods and escalating rent payments throughout the Term.

In September 2024 the Company entered into an Office Sublease with TÜV SÜD America Inc. (the “Office Sublease”) The Office Sublease is for approximately 6,307 rentable square feet of space located at 9920 Pacific Heights Blvd, Suite 325, San Diego, California 92121 (the “Subleased Premises”).

Monthly base rent payments due under the Office Sublease for the Subleased Premises are $12,614, subject to annual increases of 3.0% during the term of the Office Sublease. Under the Office Sublease, the Company is responsible for certain other costs, including utility expenses.

On March 10, 2025, the Company entered into multi-year manufacturing agreements (the “Manufacturing Agreements”) with Corden Pharma Colorado, Inc. and affiliates (“CordenPharma”), securing dedicated capacity for the annual manufacture and supply of active pharmaceutical ingredient and final drug product for VK2735. The Manufacturing Agreements provide the Company with exclusive use of dedicated manufacturing line(s) and related equipment at CordenPharma's facilities. Based on evaluation of these arrangements under FASB Accounting Standards Codification 842, the Company has determined that they contain an embedded lease of the identified manufacturing assets as described above; however, as of December 31, 2025, the lease has not yet commenced because construction of the identified assets is ongoing and the Company does not yet have control or access for their intended use.