India, Nov. 11 -- Tetra Tech, Inc. (TTEK) reported higher fourth-quarter results on Wednesday, supported by growth in its commercial and government businesses. The company also posted record annual earnings per share and a 13% increase in backlog.

Fourth-quarter net income attributable to Tetra Tech rose to $131.7 million, or $0.51 per share, from $127.7 million, or $0.48 per share, in the year-ago quarter.

Revenue edged up to $1.34 billion from $1.33 billion, while net revenue, excluding subcontractor costs, increased to $1.15 billion from $1.16 billion. Net revenue grew 5% year-over-year excluding episodic disaster response.

Adjusted earnings per share advanced 9% to $0.49.

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