";s:4:"text";s:4898:" That's how we are planning for this.
View the latest news on SAIC company insiders for best stock investing positioning. And through our mobile ops rapid deployment kit we are deploying IT and communications infrastructure for use by temporary hospitals and medical test facilities, allowing them to become operational within 24 hours.
Both of these documents in addition to our Form 10-Q to be filed soon should be utilized in evaluating our results and outlook along with information provided on today's call.So I do believe that as we go forward, it's an opportunity for us to look at different bases around the US, being able to bring in talent from across the country and in some cases being able to reduce the cost or improve profitability as it relates to different talent mix. SAIC has started fiscal year 2021 on a very strong note highlighted by revenue growth, consistent profitability and healthy free cash flow, all while navigating this unprecedented business environment. If there is anything on the award activity side that's kind of factored into the guidance? Science Applications International Corporation (NYSE:SAIC). And then, what might actually get you to the low end of that range? So, as we reported, we're very thrilled that we won the first one and certainly secured a significant portion our revenue in derisks the year for us.
Our first quarter revenues of approximately $1.8 billion reflect total revenue growth of 9%, which was a balanced mix of acquisitive and organic revenue growth. COVID-19 negatively impacted adjusted EBITDA margins by $8 million or 30 basis points. We are advancing leave to employees who need more time to care for themselves and family members. I can't -- let's see -- less than $10 million.At this time, I would like to turn the conference call over to Shane Canestra, SAIC's Vice President of Investor Relations. Do you think that there's bipartisan support there?It's a great question.
It sounds like it's primarily focused on not being able to get where they need to be? Adjusted EBITDA excludes $28 million of net acquisition and integration-related cost in the quarter.One final point and as a reminder, our free cash flow this fiscal year, is negatively impacted by approximately $40 million of expected tax adjusted Unisys Federal transaction related outflows. So I mean is there any reason organic should decelerate from the current pace? I wanted to ask on organic revenue growth rate. So depreciation and amortization for the full year is about $175 million, $135 million is amortization of intangibles, $35 million is depreciation.Your final question comes from the line of Gavin Parsons with Goldman Sachs.I'd like to ask Charlie to share our quarterly business development and financial results, as well as our outlook.Yeah. So you explained the cash flow the variance this year, but I guess you guide have been for $500 million next year, I know now you have a $35 million headwind from the deferred payroll tax. Returns as of 07/29/2020.Yeah. Through Unisys Federal, we're also awarded another new business contract from the Air Force were $630 million.Good question, Matt. There is always pressures with the number of recompetes that we have to deal with, for sure.
This new position was created to drive the company's organic growth and market leadership by aligning capabilities with customer needs and market opportunities. There is not a lot of activity right now as it relates to commercial flying. There is still uncertainty related to the course and effects of the pandemic, particularly around the timing of returning to secured facilities FAA training and the operational tempo, the Department of Defense, have given the strength and stability of SAIC and our markets, we wanted to provide investment community with formal guidance for fiscal year 2021 based on what we know today.Let me begin with our strong business development results. Science Applications International Corp. insider activity by MarketWatch. Thanks.
I mean it's a pretty notable hire, someone with a long career at a competitor involved in a group, driving a lot of change in that other company. Executive Summary. And then in terms of the areas of the business that are being impacted, are you having conversations with customers in terms of like a timeline to get back to normal or is that still to come? I would now like to turn the call back to Shane with any closing remarks.Yeah. So good question.Yeah. So we did make the $125 million voluntary debt payment last week. Can you just talk about the revenue synergies, the extent to which you have recognized or realized any at this point as you guys look at it internally? That's obviously a key priority of ours, as we have shared with you.