MICRON TECHNOLOGY, INC., REPORTS RESULTS FOR THE THIRD QUARTER OF FISCAL 2009

MICRON TECHNOLOGY, INC., REPORTS RESULTS FOR THE
THIRD QUARTER OF FISCAL 2009

BOISE, Idaho, June 25, 2009 – Micron Technology, Inc., (NYSE: MU) today announced results of operations
for the company’s third quarter of fiscal 2009, which ended June 4, 2009. For the third quarter of fiscal 2009,
the company posted a net loss of $290 million, or $0.36 per diluted share, on net sales of $1.1 billion. The
company ended the quarter with cash and investments of $1.3 billion.

Revenue from sales of DRAM products increased 14 percent in the third quarter compared to the second
quarter principally due to an increase in sales volumes for DRAM products. Revenue from sales of NAND
Flash products was flat in the third quarter compared to the second quarter. Significant cost reductions in
NAND Flash production contributed to comparably lower average selling prices to Intel Corporation, the
company’s IM Flash joint venture partner. However, the effects of these lower average selling prices to Intel
were offset by an overall 20 percent increase in NAND Flash sales volume and a significant increase in average
selling prices to all other trade customers.

Memory production in the third quarter was significantly higher compared to the preceding quarter.
Increases in bit production resulted from the company’s continued transition to higher density 34 nanometer
(nm) NAND Flash products and 50nm DRAM products.

The company’s gross margin on sales of memory products improved from negative 30 percent in the
second quarter of fiscal 2009 to positive 11 percent in the third quarter, resulting from significant decreases in
per gigabit manufacturing costs and the benefit in the third quarter from sales of products previously written
down. As a result of these decreases in per gigabit manufacturing costs and increases in average selling prices,
there was no lower of cost or market write-down of memory inventories during the third quarter. Cost of goods
sold in the third quarter includes approximately $30 million of charges for unused production capacity at the
company’s Inotera and IM Flash joint ventures and an estimated benefit of $242 million from sales in the third
quarter of products written down in previous periods.

Sales of CMOS image sensors in the third quarter increased 53 percent compared to the preceding quarter
as a result of a significant increase in unit sales. The company’s gross margin on sales of CMOS image sensors
was two percent in the third quarter and continues to be negatively impacted by underutilization of dedicated
200mm manufacturing capacity. In the third quarter, the company announced the signing of an agreement to
sell a majority interest in its Aptina imaging solutions business, which is expected to be completed in the fourth
quarter. In connection with the sale, the company recorded a $53 million charge, the estimated loss on the
transaction, to write down the value of Aptina assets now classified as held for sale.

The company will host a conference call today at 2:30 p.m. MDT to discuss its financial results. The call,
audio and slides will be available online at www.micron.com. A webcast replay will be available on the
company’s web site until June 25, 2010. A taped audio replay of the conference call will also be available at (706)
645-9291(conference number: 14636400) beginning at 5:30 p.m. MDT today and continuing until 5:30 p.m.
MDT on July 2, 2009.