LOUISVILLE, Colo.– February 15, 2012 –Zayo will present at the Morgan Stanley 2012 Technology, Media & Telecom Conference taking place at the Palace Hotel in San Francisco, California from February 27-March 1, 2012.

Chief Financial Officer of the Zayo Group, Ken desGarennes will participate during the Zayo corporate presentation commencing on February 28, 2012 at 4:40 p.m. PST.  

Ken desGarennes is CFO of the Zayo Group and is responsible for stewarding the company’s finances, including financial reporting and analysis, and various strategic initiatives. He has 14 years of experience in technology and communications and was recently recognized by the Denver Business Journal as 2011 CFO of the Year for his work with Zayo.  

To learn more about Zayo, visit www.zayo.com.

Ciena® Corporation (NASDAQ: CIEN) today announced that it has priced an offering of $320 million aggregate principal amount of its Convertible Senior Notes due 2018 (the “Notes”) to be sold to qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended.  Additionally, Ciena granted the initial purchasers a 30-day over-allotment option to purchase up to an additional $30 million aggregate principal amount of Notes on the same terms and conditions. The Notes will be Ciena’s senior unsecured obligations and will rank equally with all of Ciena’s other existing and future senior unsecured debt.  The Notes will bear interest at the rate of 3.75% per annum from the date of issuance, payable semi-annually on April 15 and October 15, commencing on April 15, 2011.  The Notes will mature on October 15, 2018.