"exactly because of" is correct and usable in written English.
It is used to express the reason why something happened. Example Sentence: I was unable to attend the event exactly because of my prior commitments.
It is exactly because of this dull image that so many investors are now so shocked.
Maybe exactly because of such restrictions, the show is thoughtful and personal, uneven in parts, solid as a whole.
"Slaughter" is the only element capable of being reproduced exactly because of its place in New York City Ballet's repertory.
"Courts have routinely approved settlements in which a defendant does not admit or even expressly denies liability, exactly because of the benefits that settlements provide".
"In museums," Mr. Kalka said, "ordinary objects become more interesting exactly because of traces of time, such as mold, that give them a meaningful context.
These topics can feel very familiar nowadays, but there's a reason Judy Blume is so beloved, and that's exactly because of books like this.
Vergennes forwarded it to Washington, and it became a cause célèbre in the new nation, exactly because of its call to a reciprocal humanity of suffering.
Kim Kardashian is the perfect cover star exactly because of the questions her appearance on that cover provokes, the debates she opens up – and, most importantly, the audience she appeals to.
And given the absence of real default risk, long-term interest rates should be more or less equal to an average of expected future short-term rates (not exactly, because of maturity risk, but that's a fairly minor detail).
Although the two scales differed only slightly, the ratio between them could not be fixed exactly, because of the slight variations in the isotopic composition of natural oxygen from different sources.
Yet it was wonderful exactly because of that, and not only because they are both extraordinary women, but because the three of us knew how to support and offer one another the gentle space needed to engage with Libya.
