Varian Medical Systems Inc (VAR) SEC Filing 10-K Annual report for the fiscal year ending Friday, September 27, 2013

Exhibit 99.1

FOR INFORMATION CONTACT:

Elisha Finney (650) 424-6803

elisha.finney@varian.com

Spencer Sias (650) 424-5782

spencer.sias@varian.com

For Immediate Release:

Varian Medical Systems Reports Results for Fourth Quarter of Fiscal Year 2013

Net earnings per diluted share were $1.08 for the fourth quarter and $3.98 for fiscal year 2013; revenues were $770 million for the fourth quarter and $2.9 billion for the fiscal year; backlog rises 1 percent despite $156 million adjustment

PALO ALTO, Calif., Oct. 23, 2013

Varian’s company-wide revenues totaled $770 million for the fourth quarter of fiscal year 2013, up 2 percent from the year-ago quarter. Revenues for fiscal year 2013 were $2.9 billion, up 5 percent from the fiscal year 2012 total.

The company ended fiscal year 2013 with a $2.9 billion backlog, up slightly from the end of fiscal year 2012. As a result of ongoing uncertainty in the U.S. healthcare environment as well as a higher level of cancellations in the quarter relating to orders from small free standing clinic developers whose projects did not move forward, the company re-evaluated similar transactions and decided to adjust its backlog downward by $156 million. To provide additional detail going forward, beginning in the fourth quarter of 2013, the company is changing its presentation of orders to gross orders. For comparability, the attached financial tables include both gross and net orders for fiscal years 2013 and 2012.

“This was a quarter of mixed but promising results for Varian,” said Dow R. Wilson, president and CEO of Varian Medical Systems. “Oncology Systems grew gross orders on a global basis versus a strong year-ago comparison despite ongoing weakness in the US healthcare market. Our X-Ray Products business delivered a record performance with robust growth in orders for its tubes and panels for filmless imaging. We are confident in the long-term growth prospects in all of our businesses.”

Oncology Systems

Oncology Systems’ fourth quarter revenues totaled $585 million, down 1 percent from the same period of fiscal year 2012, and fiscal year revenues were $2.3 billion, up 3 percent from fiscal year 2012. “Customers took delivery of treatment systems as expected in the quarter, however, short cycle sales of upgrades that normally occur during a quarter did not materialize and the Oncology Systems business fell short of its revenue targets,” Wilson said.

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