Item 4.01. Change in Registrant's Certifying Accountant.

(a) Dismissal of Independent Registered Accounting Firm

Prior to the Merger, Millendo Therapeutics, Inc.'s consolidated financial statements were audited by Ernst & Young LLP ("EY"). For accounting purposes, the Merger is treated as a reverse recapitalization and, as such, the historical financial statements of the accounting acquirer, Tempest, which have been audited by Deloitte & Touche LLP ("Deloitte"), will become the historical consolidated financial statements of the Company. In a reverse recapitalization, a change of accountants is presumed to have occurred unless the same accountant audited the pre-transaction financial statements of both the legal acquirer and the accounting acquirer.

On July 1, 2021, the Audit Committee of the board of directors (the "Board") of the Company Board dismissed Deloitte as the Company's independent registered public accounting firm.

The reports of Deloitte on the Company's financial statements for the years ended December 31, 2020 and 2019 did not contain an adverse opinion or disclaimer of opinion, nor were they qualified or modified as to uncertainty, audit scope, or accounting principles, except that, the report on the Company's financial statements for the year ended December 31, 2020 expressed an unqualified opinion and included an explanatory paragraph relating to substantial doubt about the Company's ability to continue as a going concern. During the fiscal years ended December 31, 2020 and 2019, and the subsequent interim period through July 1, 2021, there were no disagreements (as defined in Item 304(a)(1)(iv) of Regulation S-K and the related instructions) with Deloitte on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedures, which disagreements if not resolved to the satisfaction of Deloitte would have caused Deloitte to make reference thereto in its reports on the financial statements for such years.

For the fiscal years ended December 31, 2020 and 2019, there were no reportable events (as described in Item 304(a)(1)(v) of Regulation S-K), except that the Company reported material weaknesses in its internal control over financial reporting during such period. In connection with the Company's evaluation of the effectiveness of its internal control over financial reporting (as defined in Rule 13a-15(f) under the Securities Exchange Act of 1934) as of December 31, 2020, the Company concluded that its internal control over financial reporting was not effective as of December 31, 2020 because the Company (i) did not have sufficient resources with appropriate knowledge and expertise to design, implement, document and operate effective internal controls over financial reporting and (ii) did not design and implement controls surrounding review of clinical trial expenses, including the evaluation of the terms of its clinical trial contracts-specifically, the Company failed to properly review and evaluate the progress of expenses incurred in its clinical trial contracts that resulted in the inaccurate accrual of clinical trial expenses. The material weaknesses did not result in any identified material misstatements to the Company's financial statements. The Company is actively recruiting additional accounting personnel with appropriate experience, certification, education and training as a component of its plans to remediate the material weaknesses. The Company also plans to design and implement controls related to review of clinical trial expenses to properly evaluate progress of expense incurred in clinical trial contracts.

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The Company requested that Deloitte furnish a letter addressed to the Securities and Exchange Commission ("SEC") stating whether or not it agrees with the above statements. Deloitte responded with a letter dated July 1, 2021, a copy of which is filed as Exhibit 16.1 to this Form 8-K/A,stating that Deloitte is in agreement with the statements made in this Item 4.01(a).

(b) Engagement of New Independent Registered Accounting Firm

On July 1, 2021, the Audit Committee of the Company Board elected to continue to engage EY, an independent registered accounting firm, as the Company's independent registered public accounting firm.

During the fiscal years ended December 31, 2020 and December 31, 2019, and the subsequent interim period through July 1, 2021, neither the Company, nor anyone acting on its behalf, consulted with EY regarding (i) the application of accounting principles to a specified transaction, either completed or proposed, or the type of audit opinion that may be rendered on the Company's financial statements, and EY did not provide either a written report or oral advice to the Company that was an important factor considered by the Company in reaching a decision as to the accounting, auditing or financial reporting issue, or (ii) any matter that was either the subject of a disagreement (as defined in Item 304(a)(1)(iv) of Regulation S-K and the related instructions) or a reportable event (as described in Item 304(a)(1)(v) of Regulation S-K).

Item 9.01. Financial Statements and Exhibits.

(a) Financial Statements

The audited financial statements of Tempest as of December 31, 2020 and 2019 and for the years then ended required by Item 9.01(a) were previously filed with the SEC as part of the Company's Registration Statement on Form S-4, as amended (File No. 333-255198) and are incorporated herein by reference.

The unaudited condensed interim financial statements of Tempest as of March 31, 2021 and for the three months ended March 31, 2021 and 2020 are attached as Exhibit 99.1 and are incorporated herein by reference.

(b) Pro Forma Financial Information

The unaudited pro forma condensed combined financial information of the Company as of March 31, 2021 and for the three months ended March 31, 2021 are attached as Exhibit 99.2 and are incorporated herein by reference



(d)  Exhibits.



Exhibit
Number                                Exhibit Description

16.1           Letter dated July 1, 2021 from Deloitte & Touche LLP to the
             Securities and Exchange Commission.

99.1           Unaudited condensed interim financial statements of Tempest as of
             March 31, 2021 and for the three months ended March 31, 2021 and 2020


99.2           Unaudited pro forma condensed combined financial information of the
             Company as of March 31, 2021 and for the three months ended March 31,
             2021

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