The phrase 'a extension' is not correct and not usable in written English.
Instead, you should use the phrase 'an extension'. For example: I am asking for an extension on my project deadline.
The funding is classified as a Series A extension, and brings the company's total equity funding raised to about $14.5 million.
(It raised $12 million in angel and Series A funding in 2007, and then another $6 million in a Series A extension in September, 2008).
Next, an aliquot was subjected to a selective PCR using a fluorescently labelled HindIII primer that contained an additional A nucleotide at the 3' end (5'-GACTGCGTACCAGC TTA) and a HhaI primer with an A extension (59-GATGAGTCCTGATCGCA).
Brent Guy is rewarded with a extension through the 2012 season.
"People should think of a computer interface less as a tool and more as a extension of themselves or as extension of their mind".
He said Wednesday that he expected the authorities to broach the possibility of a extension soon and he voiced support for the idea, Reuters reported.
