Biota Pharmaceuticals, Inc.

Notes to Unaudited Condensed Consolidated Financial Statements

(for the quarterly period ended March 31, 2015)

(2)	Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. All material adjustments considered necessary for a fair presentation have been included. Certain information and footnote disclosure normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to instructions, rules and regulations prescribed by the U.S. Securities and Exchange Commission (“SEC”). Except as disclosed herein, there has been no material change in the information disclosed in the notes to the consolidated financial statements included in the Company’s Annual Report on Form 10-K that was filed with the SEC on September 30, 2014.

The unaudited interim consolidated financial statements include the accounts of the Company and all of its wholly owned subsidiaries. All inter-company transactions and balances are eliminated in consolidation.

Operating results for the nine months ended March 31, 2015 are not necessarily indicative of those in future quarters or the annual results that may be expected for the Company’s fiscal year ending June 30, 2015. For a more complete discussion of the Company’s significant accounting policies and other information, this report should be read in conjunction with the consolidated financial statements for the fiscal year ended June 30, 2014 included in the Company’s Annual Report on Form 10-K that was filed with the SEC on September 30, 2014.

The Company’s significant accounting policies have not changed since June 30, 2014, except as outlined below:

Recent Accounting Standards

In August 2014, the Financial Accounting Standards Board issued authoritative accounting guidance related to management’s responsibility to evaluate whether there is substantial doubt about an entity’s ability to continue as a going concern and to provide related footnote disclosures. Management’s evaluation should be based on relevant conditions and events that are known and reasonably knowable at the date that the financial statements are issued. In doing so, the amendments should reduce diversity in the timing and content of footnote disclosures. This guidance is effective for public and non-public entities for annual periods ending after December 15, 2016, and interim periods thereafter. Early adoption is permitted. The Company is currently assessing the expected impact, if any, that this Accounting Standards Update will have on its consolidated financial statements.

In May 2014, the Financial Accounting Standards Board issued authoritative accounting guidance related to revenue from contracts with customers. This guidance is a comprehensive new revenue recognition model that requires a company to recognize revenue to depict the transfer of goods or services to a customer at an amount that reflects the consideration it expects to receive in exchange for those goods or services. This guidance is effective for annual reporting periods beginning after December 15, 2016 and early adoption is not permitted. The Company will adopt this guidance on July 1, 2017. Companies may use either a full retrospective or a modified retrospective approach to adopt this guidance. The Company is evaluating which transition approach to use and its impact, if any, on its consolidated financial statements.